Dermatology Lesion Test 1 – Flashcards
41 test answers
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Nodule
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Primary Lesion 1-5 cm firm lesion; palpable
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Tumor
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Primary Lesion >5 cm raised lesion
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Plaque
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Primary Lesion >1 cm raised ( usually flat topped) lesion; confluence of papules
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Vesicle
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Primary Lesion < 1 cm fluid-filled (serum, lymph, blood) lesion
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Bulla
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Primary Lesion >1 cm fluid-filled lesion; Top left
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Pustule
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Primary Lesion raised lesion containing purulent exudate
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Cyst
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Primary Lesion Soft, raised lesion filled with semisolid or liquid material
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Wheal
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Primary Lesion raised, flat topped edematous papule or plaque that is transient
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Petechiae
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Primary Lesion Tiny circumscribed deposits of blood that do not blanche
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Ecchymosis
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Primary Lesion Larger areas of blood deposits under the skin; various etiologies; example is the common bruise
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Telangiectasia
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Primary Lesion Dilated, superficial blood vessels
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Secondary Lesion
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Skin lesion that usually evolves from primary lesions
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Scales
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Secondary Lesion Dead epidermal cells produced by abnormal keratinization and shedding
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Crusts
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Secondary Lesion Collection of dried serum and cellular debris; AKA a scab
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Ulcer
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Secondary Lesion Open lesion of the skin or mucus membrane with the loss of the epidermis & its upper papillary layer of dermis; usually heals with a scar
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Erosion
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Secondary Lesion Superficial loss of epidermis
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Fissure
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Secondary Lesion Linear ulcer or crack-like lesion
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Excoriations
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Secondary Lesion Linear abrasions of epidermis usually caused by scratching (self-inflicted)
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Lichenification
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Secondary Lesion Thickened area of skin caused by chronic scratching or rubbing
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Scar
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Secondary Lesion Change in skin due to trauma or inflamation
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Keloid
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Secondary Lesion Hypertrophied scars
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Atrophy
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Secondary Lesion Loss of normal skin texture with thinning and wrinkling
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Umbilicated
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Has a stalk
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Round
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Sticks out (spherical) but no stalk
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Annular
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Round but flat
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Hyperpigmented
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Lesion of a darker color than the surrounding tissue
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Hypopigmented
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Lesion of a lighter color than the surrounding tissue
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Multipigmented
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Lesion that is not a uniform color throughout (cancer risk)
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Well defined
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Border of lesion is not broken and is easy followed
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Ill defined
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Border of the lesion is not continuous and is hard to disern
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Linear
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Lesion occurs in what is mostly a line
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Grouped
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Several lesions that are close together
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Disseminated
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Several lesion that are spread out or dispersed over the area
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Irritant Contact Dermatitis
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Everyone is susceptible Pain first, then itching Results from single exposure Erythematous lesion with distinct margins showing the area of exposure Most common occupational skin disease
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Allergic Contact Dermatitis
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Occurs following exposure to a substance that the pt was previously sensitized to Itch first then pain Occurs hours to days after exposure Each exposure leads to a worse reaction May spread from site of exposure and become generalized
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Allergic Phytodermatitis
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Reaction to a previously sensitized plant Occurs < 12 hrs after exposure Caused by urushiol, hapten in all toxicodendrons, which can be removed with soap and water
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Atopic Dermatitis
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Acute, subacute, or chronic relapsing skin disorder Begins in infancy Sx: dry skin and pruritus
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