dermatology look- alikes PDF
Preview dermatology look- alikes
DERMATOLOGY LOOK- ALIKES Jeffrey C. Houin, Jr., M.D., F.A.A.D Dermatology Center of North Mississippi Bilateral Facial Rashes Bimalar Facial Rashes 54 y/o M- r/o lupus n Present x 1 month n No fever, jt pain, n malaise Burning, itching n OTC meds not helpful n ANA, CBC, CMP nl n Bimalar Facial Rashes 26 y/o F n Started early summer n Waited wks for appt n OTC moisturizer and n 1% HC ineffective Worsened, esp in sun n Diagnosis? Seborrheic Dermatitis Reddish-orange n Sharply demarcated n Sometimes annular n Little edema, no n warmth Scaling (KOH neg) n DDx: Contact n Dermatits, Psoriasis ANA nl n Seborrheic Dermatitis Bx: spongiotic dermatitis (nonspecific) n Dx by Hx and clinical presentation n Recurrent and persistent n Affects up to 20% of population n Scaling, erythematous n Scalp, eyebrows, NLF, glabella, n postauricular, beard +/- Malassezia furfur n Tx: mild topical steroids, CNI, antifungals? n Cutaneous Lupus Erythematosus Red, discreet and n confluent papules/ nodules/plaques (polycyclic) Clearing or atrophic n centers Some scaling n Sun exposed areas n No fever/joint pain/ n malaise Cutaneous Lupus Erythematosus Bx: not specific; add DIF n SCLE: F 15-40 y/o n No scarring (unlike DLE) n Photosensitive n + ANA (80%); +Ro/SSA n Tx: photoprotection, antimalarials, possibly n topical steroids Drugs: HCTZ, ACEi, Ca Channel blockers n DDx: EM, Psoriasis, Tertiary Syphilis, DM n R/o SLE and Sjogren’s Syndrome n Growing Plaques With Scale
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