COMMONLY ENCOUNTERED DERMATOLOGICAL DISORDERS FITZGERALD NP CERT

Identify examples of dermatologic presentations of systemic illness. Specifically note a medically emergent dermatologic condition. - Answer-Varicella, Lyme disease, Systemic Lupus Erythematosus..others **Transepidermal necrosis What is a 1cm flat, non palpable discoloration? - Answer-a macule (e.g. freckle) What is a 1cm solid elevation? Uniformly brown-colored, irregularity shaped w define borders - Answer-a papule (e.g. raised nevus) What is a 1cm papule with indented center? round dome shaped pink- contains a caseous plug - Answer-an umbilicated papule (e.g. molluscum contagiousum) What is a 1cm vesicle-like lesion with purulent content? - Answer-a pustule (e.g. impetigo) What is a 1cm flat, non palpable area of skin discoloration? - Answer-a patch (e.g. vitiligo) What is a 1cm raised lesion, usually different color from surrounding skin, that can result from a coalescence of papules. Auspitz sign ( picking at one it bleeds a drop drop or 2 and stops) - Answer-plaque (e.g. psoriasis vulgaris) What is a 1cm fluid-filled lesion? Red moist peeling borders - Answer-a bulla (e.g. 2nd degree burn) What is a raised, encapsulated, fluid filled lesion? firm and smooth- sometimes a foul smelling liquid may leak out, - Answer-cyst (e.g. Intradermal cyst) What is a circumscribed area of skin edema of any size? surrounded by erythema ( Blanch) - Answer-a wheal (e.g. hive/urticaria) What is a flat red-purple discoloration irregularly shaped lesions that does not blanch with pressure? - Answer-purpura,(appears after chemo at time can be 2mm-20mm), petechiae when 1cm A note on palpable purpura - Answer-it is NEVER BENIGN What is Auspitz sign? - Answer-the appearance of small bleeding points after successive layers of scale have been removed from the surface of psoriatic papules or plaques