C19 Chabner – Medical Terminology Oncology TERMS plus QUIZ STUDY – Flashcards

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alveol/o
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small sac alveolar
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cac/o
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bad cachexia
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carcin/o
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cancer, cancerous carcinoma in situ
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cauter/o
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burn, heat electrocauterization
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chem/o
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chemical, drug chemotherapy
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cry/o
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cold cryosurgery
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cyst/o
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sac of fluid
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fibr/o
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fibers fibrosarcoma
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follicul/o
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small glandular sacs follicular
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fung/i
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fungus, mushroom fungating tumor
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medull/o
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soft, inner part medullary tumor
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mucos/o
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mucous membrane mucositis
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mut/a
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genetic change mutation
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mutagen/o
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causing genetic change mutagenic
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necr/o
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death necrotic
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onc/o
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tumor oncology
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papill/o
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nipple-like papillary
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pharmac/o
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chemical, drug pharmacokinetics
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plas/o
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formation dysplastic
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ple/o
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many, more pleomorphic
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polyp/o
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polyp polypoid tumor
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prot/o
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first protocol
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radi/o
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rays radiation
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sarc/o
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flesh, connective tissue osteosarcoma
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scirrh/o
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hard scirrhous
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xer/o
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dry xerostomia
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-blastoma
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immature tumor retinoblastoma, neuroblastoma
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-genesis
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formation angiogenesis
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-oma
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mass, tumor adenocarcinoma
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-plasia
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formation, growth hyperplasia
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-plasm
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formation, growth neoplasm
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-suppression
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to stop myelosuppression
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-therapy
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treatment radiotherapy
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ana-
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backward anaplasia
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apo-
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off, away
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brachy-
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short (distance) brachytherapy
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epi-
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upon epidermoid
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meta-
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beyond; change metastasis, metaplasia
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tele-
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far teletherapy
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alveolar
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Microscopic description of tumor cell arrangement (found in connective tissue tumors).
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cachexia
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General ill heath and malnutrition (wasting of muscle and emaciation) associated with chronic, severe disease.
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carcinoma in situ
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Localized cancer; confined to the site of origin or encapsulated.
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electrocauterization
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Technique whereby a needle, probe, or loop heated by electric current destroys the target tissue.
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chemotherapy
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Treatment with drugs.
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cryosurgery
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The use of extreme cold (usually liquid nitrogen) to destroy unwanted tissue.
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cystic tumor
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Tumor forms large open spaces filled with fluid.
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fibrosarcoma
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Malignant tumor of fibrous or connective tissue
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follicular
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A microscopic description of cellular arrangement in glandular tumors.
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fungating tumor
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Gross description of tumor growth in which cells pile one on top of another and project from the tissue surface
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medullary tumor
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Large, fleshy tumors.
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mucositis
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Inflammation of mucous membranes; often a side effect of radiation therapy or chemotherapy.
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mutation
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An inheritable change in the nucleotide sequence of DNA.Change in the genetic material (DNA) of a cell; may also be caused by chemicals, radiation, or viruses or may occur spontaneously.
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mutagenic
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Capable of inducing mutation in the DNA of a cell (used mainly of extracellular factors such as X-rays or chemical pollution)
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necrotic
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Pertaining to dead tissue.
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oncology
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Study of tumors.
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papillary
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A microscopic description of tumor cell growth.
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pharmacokinetics
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The study of the distribution and removal of drugs in the body over time.
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dysplastic
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Microscopic description of cells that are highly abnormal but not clearly cancerous.
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pleomorphic
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Microscopic description of tumors that are composed of a variety of cells.
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polypoid tumor
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A growth featuring projections extending outward from a base; Sessile (broad base) or peductulated (stem/stalk).
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protocol
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A protocol is a written plan detailing the procedures to be followed in research and treatment.
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radiation
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Use of radioactive substances in the diagnosis and treatment of disease.
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irradiation
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Exposure to any form of radiation (ionizing, heat, light, or x-rays).
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osteoscaroma (osteogenic sarcoma)
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Malignant bone tumor.
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scirrhous
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Microscopic description of densely packed, fibrous tumor cell composition.
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xerostomia
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Abnormal dryness of the mouth; common side effect of radiation therapy.
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retinoblastoma
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Childhood cancer arising from immature cells in the retina.
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neuroblastoma
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This sarcoma of the nervous system origin affects infants and children up to 10 years, usually arising in immature tissues of the autonomic nervous system or adrenal medulla.
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angiogenesis
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The formation of new blood vessels
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adenocarcinoma
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malignant tumor of glandular tissue.
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hyperplasia
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Excessive development or abnormal increase in the number of cells.
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neoplasm
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New growth; can be benign or malignant.
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myelosuppression
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Hypoplasia or decreased bone marrow formation of blood cells; leukopenia, anemia and thrombocytopenia.
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radiotherapy
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Ionizing radiation is used to treat malignancies.
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anaplasia
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Loss of structural differentiation within a cell or group of cells often with increased capacity for multiplication, as in a malignant tumor.
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apoptosis
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Programmed cell death.
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brachytherapy
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Radiation delivered in close range to tumor site.
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epidermoid
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Microscopic description of tumor cells that resemble epidermal tissue.
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metastasis
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The spread of cancer cells beyond their original site.
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metaplasia
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Abnormal transformation of adult differentiated cells to differentiated tissue of another kind. This change is reversible. An example is the change (from columnar epithelial cells to squamous epithelial cells) that occurs in the respiratory epithelium of habitual cigarette smokers.
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teletheraphy or external beam radiotherapy
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Radiation applied to a tumor from a distant source.
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tumors or neoplasms
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New growths that arise from normal tissue. They may be either malignant or benign.
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malignant
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Capable of invasion and spread to surrounding or more distant sites. They multiply rapidly, are invasive and infiltrative, anaplastic and undifferentiated, and metastatic.
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benign
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Noncancerous, noninvasive and not spreading to other sites. They grow slowly, are often encapsulated and noninvasive, well-differentiated, and nonmetasatic.
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encapsulated
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Contained within a fibrous capsule or cover; benign tumors are encapsulated.
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invasive
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Having the ability to enter and destroy surrounding tissue.
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infiltrative
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Extending beyond normal tissue boundaries into adjacent tissues.
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differentiated
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Specialized cells.
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anaplasia
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Loss of differentiation of cells; reversion to a more primitive cell type.
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dedifferentiated or undifferentiated
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Loss of differentiation of cells (reverting to a less differentiated state); reversion to a more primitive, embryonic cell type; anaplasia.
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hyperchromatic
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Stain excessively with dyes that recognize genetic material, (DNA).
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metastasize
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To spread from one location to another in a distant part of the body.
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metastasis
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Spread of a malignant tumor to a secondary site; literally beyond (meta-) control (-stasis).
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carcinogenesis
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The transformation from a normal cell to a cancerous one.
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deoxyribonucleic acid or DNA
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Genetic material (a sting of coded nucleotides) within the nucleus of a cell; controls cell division (mitosis) and protein synthesis.
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chromosomes
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Thread-like structures made of DNA molecules that contain the genes.
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mitosis
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Replication of cells; a stage in a cell's life cycle involving the production of two identical cells from a parent cell.
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protein synthesis
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The production of new proteins controlled by DNA.
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genes
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A unit of DNA that direct the production of all proteins, which in turn control all aspects of cell function.
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nucleotides
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Unit of DNA (gene) composed of sugar, phosphate, and a base. The sequence or arrangement of nucleotides on a gene is the genetic code.
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ribonucleic acid or RNA
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Cellular substance that represents a copy of DNA and directs the formation of new protein inside cells.
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apoptosis
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Programmed cell death. Normal cells undergo apoptosis when damaged or aging. Some cancer cells have lost the ability to undergo apoptosis, and they live forever.
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carcinogens
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Agents that cause cancer; chemicals and drugs, radiation, and viruses.
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chemical carcinogens
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Found in drugs, hydrocarbons, insecticides, dyes, industrial chemicals, insulation and hormones.
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hydrocarbons
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Substances found in cigarette, cigar, and pipe smoke and automobile exhaust.
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radiation
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Energy carried by a stream of particles such as sunlight, x-rays, and radioactive substances.
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virus
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An infectious agent that reproduces by entering a host cell and using the host's genetic material to make copies of itself.
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oncogenic viruses
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Tumor producing viruses that fall into two categories: RNA viruses and DNA viruses.
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oncogene
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Region of DNA in tumor cells (cellular oncogene) or viruses (viral oncogene) that cause cancer . Oncogenes are designated b a three-letter name, such as abl, erb, jun, myc, ras, and src.
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RNA viruses
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Retroviruses composed of RNA.
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DNA viruses
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Viruses composed of DNA.
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ras
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The oncogene associated with colon cancer.
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myc
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The oncogene associated with lymphoma.
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abl
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The oncogene associated with chronic myelogenous leukemia (CML).
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translocation
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When two different chromosomes switching locations.
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bcr
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Breakpoint cluster region.
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bcr-abl
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A chromosome formed from the translocation; the Philadelphia chromosome.
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retinoblastoma
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Tumor arising from a developing retinal cell (a congenital, malignant tumor) usually seen in infants and young children.
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adenamatous polyposis coli syndrome
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Polyps that grow in the colon and rectum; a hereditary cancer susceptibility.
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suppressor genes
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Genes that normally regulate growth, promote differentiation, and suppress oncogenes.
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genetic screening
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Family members are tested to determine whether they have inherited a cancer-causing gene.
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histogenesis
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Identifying the particular type of tissue from which a tumor cells arise. Three major groups are carcinomas, sarcomas, and mixed-tissue tumors.
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carcinomas
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Cancerous tumor made up of cells of epithelial origin. Approximately 90% of malignancies are carcinomas.
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sarcomas
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Cancerous tumor derived from connective flesh tissue such as bone, fat, muscle, cartilage, and bone marrow. 5% of malignancies.
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mixed tissue tumors
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Tumors composed of different types of tissue (epithelial as well as connective tissue). Ex: teratoma. 5% of malignancies.
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adenoma
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Benign tumors of epithelial or glandular origin. Ex: gastric adenoma.
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mesenchymal
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Embryonic connective tissue. This is the tissue from which connective tissues (bone, muscle, fat, cartilage) arise
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carcinoma (in naming tumors)
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Malignant tumors of epithelial origin are named by using the term carcinoma and adding the type of tissue in which the tumor occurs. Ex: gastric adenocarcinoma
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sarcoma (in naming tumors)
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Malignant tumors of connective tissue origin are named by using the term sarcoma. Ex: osteosarcoma
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-oma (in naming tumors)
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Usually benign tumors of connective tissue origin are named by adding the suffix -oma to the type of tissue in which the tumor occurs. EX: osteoma
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leukemias
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Tumors derived from bone marrow
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lymphomas
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Tumors derived from immature cells fo the lymphatic system.
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gliomas
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Tumors with origins in glial cells of the brain.
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neuroblastomas
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Tumors developed from embryonic tissue of the nervous system.
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gross
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Visual pathological description that is visualizing with the eyes.
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cystic (gross description)
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Forming large open spaces filled with fluid. Often found in the ovaries.
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mucinous (gross description)
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Tumors filled with mucus.
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serous (gross description)
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Tumors filled with thin, watery, serum-like fluid.
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fungating (gross description)
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Mushrooming pattern of growth in which tumor cells pile one on top of another and project from tissue surface. Often found in the colon.
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inflammatory (gross description)
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Having the features of inflammation--that is, redness, swelling, and heat. Often seen in breast cancer.
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medullary (gross description)
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Pertaining to large, soft, fleshy tumors. Often seen in thyroid and breast tumors.
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necrotic (gross description)
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Containing dead tissue.
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polypoid (gross description)
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Growths that are like projections extending outward from a base. Can be sessile or pedunculated.
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sessile (gross description)
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Polypoid tumors that extend from a broad base (no stem).
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pedunculated (gross description)
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Polypoid tumors that extend from a stem or stalk.
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ulcerating (gross description)
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Characterized by an open, exposed surface resulting from the death of overlying tissue. Often found in the stomach, breast, colon, and skin.
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verrucous (gross description)
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Resembling a wart-like growth. Often seen in tumors of the gingiva.
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microscopic description of tumors
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Appearance of tumors when viewed under a microscope; alveolar, carcinoma in situ, diffuse, dysplastic, epidermoid, follicular, papillary, pleomorphic, scirrhous, undifferentiated.
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alveolar (microscopic description)
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Tumor cells form patterns resembling small, sacs. commonly found in tumors of muscle, bone, fat, and cartilage.
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carcinoma in situ (microscopic description)
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Referring to localized tumor cells that have not invaded adjacent structures.
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diffuse (microscopic description)
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Spreading evenly throughout the affected tissue.
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dysplastic (microscopic description)
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Abnormal-appearing cells, not clearly cancerous.
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epidermoid (microscopic description)
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Resembling squamous epithelial cells (thin, plate-like).
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follicular (microscopic description)
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Forming small glandular sacs.
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papillary (microscopic description)
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Forming small, finger-like or nipple-like projections of cells.
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pleomorphic (microscopic description)
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Composed of a variety of types of cells.
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scirrhous (microscopic description)
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Densely packed tumors, containing dense bands of fibrous tissue.
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undifferentiated (microscopic description)
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Lacking microscopic structures typical of normal mature cells.
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grading (of tumors) system
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Evaluating the degree of maturity or indication of malignant transformation.
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grade
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The degree of a cancer's maturity or differentiation under the microscope.
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stage
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The extent of a cancer's spread within the body.
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Grade I
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Tumors are very well differentiated, so that they closely resemble cells from the normal parent tissue of origin.
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Grade II - III
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Tumors that are intermediate in appearance, moderately or poorly differentiated, as opposed to well differentiated (grade I) and undifferentiated (grade IV).
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Grade IV
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Tumors that are so undifferentiated or neoplastic that even recognition of the tissue of origin may be difficult.
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Papanicolaou or Pap smear
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Preventative screening test that analyzes body fluids from the uterine cervix, tracheal secretions, or stomach secretions.
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staging (of tumors)
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System of evaluating the extent of spread of tumors. An example is the TNM system (tumor-node-metastasis).
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TNM International Staging System
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In this system: - T (tumor) specified the size and degree of local extensions of the tumor - N (nodes) is the number of regional lymph nodes that have been invaded by tumor - M (metastases) specifies the presence or absence of metastases (spread to distant sites) Numbers indicate degree of involvement with 0 = undetectable and 1, 2, 3, and 4 indicating progressive increase in size or involvement.
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surgical procedures to treat cancer
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Methods of removing cancerous tissue; cryosurgery, cauterization, en bloc resection, excisional biopsy, exenteration, fulguration, incisional biopsy.
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major modalities
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Method of treatment such as surgery, radiation therapy, chemotherapy, and biological therapy. Each modality may be used alone but are often combined.
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debulking procedure
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If the tumor is attached to a vital organ and cannot be completely removed, as much of the tissue is removed and the patient receives adjuvant radiation and or chemotherapy.
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adjuvant therapy
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Assisting primary treatment. Drugs are given early in the course of treatment, along with surgery or radiation to attack deposits of cancer cells that may be too small to be detected by diagnostic techniques.
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cauterization (surgery)
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Process of burning tissue to destroy it.
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core needle biopsy (surgery)
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Placement of a large-bore needle that extracts a thin core of tissue.
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cryosurgery (surgery)
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Use of subfreezing temperature to destroy tissue.
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en block resection (surgery)
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Tumor is removed along with a large area of surrounding tissue containing lymph nodes.
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excisional biopsy (surgery)
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Removal of tumor and a margin of normal tissue.
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fine needle aspiration (surgery)
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Placement of a very thin needle inside the tumor mass and extracting cells for microscopic evaluation.
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fulguration (surgery)
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Destruction of tissue by electric sparks generated by high-frequency current.
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incisional biopsy (surgery)
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A Piece of tumor is removed for examination and to establish a diagnosis.
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laparotomy
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Large surgical incision into the abdominal wall (to determine extent of staging)
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exenteration
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Wide resection involving removal of the tumor, its organ of origin, and all surrounding tissue in the body space
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radiation therapy or RT
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The goal of RT is to deliver a maximal dose of ionizing radiation to tumor tissue and a minimal dose to surrounding normal tissue.
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protons
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Atomic particles.
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irradiation
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Exposure to any form of radiant energy such as light, heat, or x-rays.
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brachytherapy (radiation)
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A permanent or temporary implantation of small, sealed containers (seeds) of radioactive material directly into the tumor or in a cavity of the tumor.
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electron beams (radiation)
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Low-energy beams for treatment of skin or surface tumors.
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external beam irradiation or teletherapy (radiation)
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Radiation therapy applied to a tumor from a distance source (linear accelerator)
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fields
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Dimensions of the area of the body undergoing radiation.
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fractionation (radiation)
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Giving radiation in small, repeated doses.
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gray or Gy
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Unit of absorbed radiation dose.
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linear accelerator (radiation)
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Large electronic device that produces high-energy x-ray beams for treatment of deep-seated tumors.
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Intensity-modulated radiation therapy or IMRT
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High doses of radiation are delivered directly to cancer cells in a targeted way, more precisely than in conventional radiotherapy.
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conformal radiation therapy
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A newer type of radiation treatment that uses a special computer to help shape the beam of radiation to match the shape of the tumor.
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phonton therapy (radiation)
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Radiation therapy using energy in the from of x-ryas or gamma rays.
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proton therapy (radiation)
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Subatomic positively charged particles (protons) produced by a cyclotron deposit a dose of radiation at a tightly focused point in the body.
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radiocurable tumor
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Tumor that is completely destroyed by radiation therapy.
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radioresistant tumor
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Tumor that requires large doses of radiation to be destroyed.
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radiosensitive tumor
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Tumor in which radiation can cause death of cells without serious damage to surrounding tissues (morbidity).
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morbidity
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Condition of being unwell; deficient in normal function.
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proton sterotactic radiosurgery or PSRS
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page 808
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radiosensitizers (radiation)
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Drugs that increase the sensitivity of tumors to x-rays.
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simulation (radiation)
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Study using CT scan or MRI to map treatment before RT is given.
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stereotactic radiosurgery (radiation)
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Delivery of dose of radiation under steriotactic (highly precise) guidance (Gamma Knife surgery).
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palliative
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Relieving but not curing symptoms.
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alopecia (side effect of radiotherapy or chemotherapy)
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Baldness; may be permanent or temporary.
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fibrosis (side effect of radiotherapy)
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Increase in connective tissue in normal tissues.
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mucositis (side effect of radiotherapy)
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Inflammation and ulceration of mucous membranes.
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myelosuppression (side effect of radiotherapy)
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Bone marrow depression; anemia, leulopenia, and thrombocytopenia.
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nausea and vomiting (side effect of radiotherapy)
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A reaction originating in the brain or gastrointestinal tract.
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pneumonitis (side effect of radiotherapy)
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Inflammation of lungs
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xerostomia (side effect of radiotherapy)
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dryness of the mouth
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pharmacokinetics
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Study of the distribution in and the removal of drugs from the body's bloodstream and tissues over time (in humans and animals).
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clinical trials
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Research studies designed to find treatments that work for patients. The studies follow a predefined protocol and are divided into four phases.
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alkylating agents (chemotherapy)
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Synthetic chemicals containing alkyl groups that attack DNA, causing strand breaks.
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antibiotics (chemotherapy)
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Chemical substances, produced by bacteria or primitive plants. They inhibit the growth of cells.
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antimetabolites (chemotherapy)
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Chemicals that prevent cell division by inhibiting formation of substances necessary to make DNA.
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antimitotics (chemotherapy)
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Drugs that block mitosis (cell division). Taxol is an antimitotic used to treat breast and ovarian cancers.
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hormonal agents
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Chemicals used to create orchiectomy (hormone removal) with the purpose of promoting tumor regression.
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estrogen receptor assay
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Blood test for a type of protein present on some breast cancer cells to which estrogen attaches.
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tamoxifen
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An antiestrogen drug.
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flutamide
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Blocks androgen action and causes the regression of prostate cancer.
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aromatase inhibitiors
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Prevent conversion of androgen to estrogen and starve breast tumors of their estrogen supply in postmenopausal women. Ex: anastrozole
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molecularly targeted drugs
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Anticancer drugs designed to block the function of growth factors, their receptors, and signaling pathways in specific tumor cells.
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gleevec
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Imatinib mesylate which blocks the bcr-abl tyrosine kinase in chronic myelogenous leukemia cells; it is he first drug of this type approved for cancer.
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tarceva
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Erlotinib; is a drug for lung cancer that blocks epidermal growth factor receptor (EGFR).
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angiogenesis
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Process of forming new blood vessels.
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vascular endothelial growth factor or VEGF
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A protein secreted by tumors which stimulates the formation of new vessels.
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antiangiogenic drugs
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These drugs interfere with angiogensesis. Examples are Avastin (bevacizumab), Nexavar (sorabenib), and Sutent (sunitinib).
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biological therapy
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Use of the body's own defenses to destroy tumor cells.
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biological response modifiers (biological therapy)
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Substances produced by normal cells that either directly block tumor growth or stimulate the immune system to fight cancer. Examples are interferons (made by lymphocytes), monoclonal antibodies (made by mouse or human immune cells capable of binding to human tumors, colony-stimulation factors that stimulate blood-forming cells to combat the myelosuppressive side effects of chemotherapy, and interleukins that stimulate the immune system to destroy tumors.
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differentiating agents (biological therapy)
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Drugs that promote tumor cells to differentiate, stop growing, and die.
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cellular oncogenes
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Pieces of DNA that, when activated by mutations or by dislocation, can cause a normal cell to become malignant.
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combination chemotherapy
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Use of several chemotherapeutic agents together for the treatment of tumors.
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modality
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Method of treatment, such as surgery, chemotherapy, or irradiation.
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relapse
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Recurrence of a tumor after treatment.
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remission
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partial or complete disappearance of symptoms of disease.
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solid tumor
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Tumor composed of a mass of cells.
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sterotactic radiosurgery
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Delivery of a dose of radiation under sterotactic (highly precise) guidance (Gamma Knife surgery).
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steroids
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Complex, naturally occurring chemicals derived from cholesterol. Some are used in cancer therapy.
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viral oncogens
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Pieces of DNA from viruses that infect a normal cell and cause it to become malignant.
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cytogenetic analysis
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Chromosomes of normal or tumor cells are examined for breaks, translocations, or deletions of DNA.
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immunohistochemistry
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Localizing antigens or proteins in tissues using labeled (colored or fluorescent) antibodies.
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protein marker tests
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Measure the level of proteins in the blood or on the surface of tumor cells.
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bone marrow biopsy
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Aspiration of bone marrow tissue and examination under a microscope for evidence of malignant cells.
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bone marrow or stem cell transplantation
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Bone marrow or stem cells are infused intravenously into a patient.
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autologous marrow transplantation
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Uses marrow previously obtained from the patient and stored until needed.
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allogeneic marrow transplantation
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Marrow is obtained from a living donor other than the recipient.
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peripheral blood stem cell transplantation
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Immature bone cells (stem cells) are selected and harvested from the blood of a patient instead of from the bone marrow.
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fiberoptic colonoscopy
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Visual examination of the colon using a fiberoptic instrument.
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exfoliative cytology
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Cells are scraped from the region of suspected disease and examined under a microscope.
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laparoscopy or peritoneoscopy
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Visual examination of the abdominal cavity using small incisions and a laparoscope.
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mammography
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X-ray examination of the breast to detect breast cancer.
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needle (core) biopsy
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Insertion of a large-bore needed into tissue to remove a core of cells for microscopic examination.
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radionuclide scans
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Radioactive substances (radionuclides) are injected intravenously and scans (images) or organs are obtained.
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BMT
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bone marrow transplantation
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bx
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biopsy
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CA
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cancer
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CEA
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carcinoembryonic antigen
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chemo
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chemotherapy
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CR
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complete response--disappearance of all tumor
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CSF
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colony-stimulating factor Examples: G-CSF (granulocyte colony-stimulating factor) and GM-CSF (granulocyte-macrophage colony-stimulating factor)
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DNA
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deoxyribonucleic acid
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EGFR
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epidermal growth factor receptor
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ER
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estrogen receptor
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EPO
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erythropoietin; promotes growth of red blood cells
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FNA
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fine needle aspiration
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GIST
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gastrointestinal stromal tumor
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HNPCC
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hereditary non-polyposis colorectal cancer
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IGRT
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intensity-modulated gated radiation therapy--use of imaging mechanism attached to linear accelerator is added to IMRT to gate (track) a tumor moving during respiration
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IHC
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immunohistochemistry
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IMRT
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intensity-modulated radiation therapy--high doses of radiation are delivered directly to cancer cells in a targeted way, more precisely than in conventional radiotherapy.
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IORT
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intraoperative radiation therapy
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mets
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metastases
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MoAb
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monoclonal antibody
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NED
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no evidence of disease
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NHL
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non-Hodgkin lymphoma
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NSCLC
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non-small cell lung cancer
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Pap smear
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Papanicolaou smear
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PD
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progressive disease--tumor increases in size
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PR
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partial response--tumor is one half its original size
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prot.
answer
protocol
question
PSA
answer
prostate-specific antigen
question
PSCT
answer
peripheral stem cell transplantation
question
PSRS
answer
proton sterotactic radiosurgery
question
RNA
answer
ribonucleic acid
question
RT
answer
radiation therapy
question
SD
answer
stable disease--tumor does not shrink but does not grow
question
TNM
answer
tumor, nodes, metastases
question
XRT, RT
answer
radiation therapy
question
erythema (side effect of radiotherapy)
answer
redness of the skin
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