Term
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Definition
| Keratinization of hair follicles of the skin. Common in young women. Small, rough folliculocentric keratotic erythematous papules. Common on posterolateral upper arms, thighs, face and buttocks. Spares palms and soles. Asymptomatic. |
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Term
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Definition
| "Dry skin" Basis for various patterns of Atopic Dermatitis. May itch which can lead to rash from scratching. Most common on extensor surfaces. |
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Term
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Definition
| Alteration in epidermal cell proliferation. Dry, rectangular scales. Commonly hereditary. Onset within first year of life. Fine, white, adherent polygonal scale with central tacking. Extensor extremities. |
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Term
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Definition
| Common, chronic inflammatory disease that affects the skin, nails and joints. Relentless waxing and waning. Proliferation of outer layers of skin due to abnormal T lymphocytes. Sharply marginated, silvery-white scale. Common on extensor surfaces such as elbows, knees and scalp. |
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Term
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Definition
| Most common form of psoriasis. |
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Term
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Definition
| Preceded by Strep pharyngitis. Small, scaly papules. Trunk and extremities. Spares palms and soles. From of psoriasis. |
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Term
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Definition
| Psoriasis found under breasts, in armpit and other areas where skin touches skin. Can be confused with yeast infection. |
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Term
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Definition
| Generalized and emergent psoriasis. Total body redness. Uncommon. |
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Term
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Definition
| Acute, self-limiting infection. Primary plaque is generally on the trunk and resembles ringworm (Herald Patch). A generalized rash appears 1-2 weeks later that is salmon-pink macules or patches on the lower abdomen. These are in a Christmas Tree distribution and have collarette scale. |
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Term
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Definition
| Found on flexor surfaces of wrists, forearms and legs just above the ankles. 5 P's (pruritic, planar, polyangular, purple, papules). Wickham striae (white, lacy reticular pattern of criss-crossed lines). Common in adult females. |
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Term
| Papular, hypertrophic, follicular, mucosal, nail. |
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Definition
| Five types of Lichen Planus are _____. |
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Term
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Definition
| Firm, skin colored to erythematous papules. Central depression that is slightly hypo or hyperpigmented. Smoothing, nonscaling, asymptomatic. Looks like tinea, asssociated with diabetes. |
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Term
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Definition
| Reactive inflammation. Mast cells release histamine which increases vascular permeability and causes tissue edema. H1 receptors are involved with respiratory and H2 are involved with GI. Raised, red transitory area of edema. Any single lesion should last less than 24 hrs. |
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Term
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Definition
| Abrupt and evanescent swellling of skin, mucous membranes, resp/GI tracts. Common in females. Deeper tissue and more diffuse than hives. Non-pitting, swelling. Periorbital or perioral swelling. |
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Term
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Definition
| Commmon, hypersensitivity. Minor: localized, mild or no mucosal involvement. Major: more severe, muscosal and skin; potentially life threatening. Prodrome: URI. Primary lesion: targetoid. Nikolsky sign where top layer of skin looks as if it could peel off. Extensor surface of extremities. Can be on palms and soles. Associated with HSV. |
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Term
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Definition
| Hypersesitivity. Inflammatory. 18-34 females. Associated with strep infections. Prodrome: URI, arthralgias. Primary lesion: poorly defined, red, firm, tender, bilateral pretibial surfaces. Secondary lesion is fluctuant, bluish or yellow and bruise-like. Hilar lymph nodes involved. |
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Term
| Toxic Epidermal Necrolysis |
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Definition
| Rare, life-threatening mucocutaneous disease. Widespread blistering and sloughing of skin. Usually due to drug reaction (sulfonamides, vaccinations, NSAIDS, allopurinol). Common with HIV and lupus. Initially "sunburn like" with scattered targetoid lesions and bullae. Preceded by fever, malaise, cough and abdominal pain. Greater than 30% TBSA affected. |
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Term
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Definition
| Severe blistering mucocutaneous syndrome involving at least two membranes. Common in children and young adults. Cytotoxic immune response to drug. Common with HIV and lupus. Erythematous papules, dusky appearing vesicles, purpura, target lesions. Skin tenderness and burning. Oral, genital, perianal mucosa. Thick hemorrhagic crusts cover lips. Mostly on trunk and face. Less than 10% TBSA affected. |
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Term
| Staphylococcal Scalded Skin Syndrome |
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Definition
| Exfoliation of the skin at the granular layer caused by the endotoxins of Staph aureus. No necrosis of epidermis. Not caused by meds. Most common in neonates and young children. Begins with fever and skin tenderness. Erythema of neck, groin and axillae. |
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