Chapter 2: Neoplastic Skin Disorders (Seborrheic Keratosis) and (Skin Cancer) – Flashcards
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seborrheic keratosis
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bengin skin growth that is most often found with mature adults
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lesser-trelat sign
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is the explosive onset of multiple seborrheic keratoses (many pigmented skin lesions) often with an inflammatory base
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skin cancer
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uncontrolled replication of cells
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3 types of skin cancer
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Basal Cell Carcinoma, Squamous Cell Carcinoma, Melanoma
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A sore that does not heal or that comes and goes in the same place
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Basal Cell Carcinoma and Squamous Cell Carcinoma
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a not so bad cancer
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Basal Cell Carcinoma
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a mild cancer
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Squamous Cell Carcinoma
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a deadly cancer
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Melanoma
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A B C D E
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a symmetrical border color diameter elevated
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basal cell carcinoma (BCC)
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slow-growing tumor
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what does (BCC) invade and damage
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healthy tissue, bones, blood vessels, and nerves
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what does (BCC) look like
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a hard lump with rounded pink pearly edges and a soft sunken middle
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what is Squamous Cell Carcinoma (SCC)
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is a cancer of skin cells that arises in keratinocytes superficial to the basal layer
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types of (SCC)
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actinic keratosis, actinic cheilitis , leukoplakia, and bowen disease
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actinic keratosis (AK)
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also called solar keratosis = precancerous condition that may lead to (SCC)
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actinic cheilitis
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a form of (AK) that is found especially on the lips
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leukoplakia
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looks like white patches on the tongue and inside the cheek
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bowen disease
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also called Situ SCC = similar to AK except that the lesions tend to be larger and browner
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melanoma
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melanocytes are the pigment cells deep in the epidermis that give skin its color
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types of melanoma
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superficial spreading melanoma, lentigo melanoma, acral lentiginous melanoma, and nodular melanoma
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superficial spreading melanoma
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spreads along the surface of the skin before invading deeper tissue
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lentigo melanoma
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age spots
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acral lentiginous melanoma
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this type of skin cancer is as common in people of color as it is in caucasians
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nodular melanoma
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it is significantly elevated from the skin, and it often penetrates deeper into the tissue than other types
