Type I leprosy reaction "upgrading reaction": in a patient with Boderline lepromatous leprosy, characterized by an inflammatory flare-up of facial plaques.
Erythema gyratum repens: Detail of the rim area of the ring structure. clearly palpable (like a wet wool thread) rim area with raised, inwardly directed ruffle. striking "multizonality" with a second only discretely visible inner ring formation.
Tinea manuum. flat, borderline, rough (little scaling), slightly prominent papules and plaques with single follicular papules in the back of the hand. little itching.
Primary cutaneous marginal zone lymphoma: painless brown plaque with central nodular formation that has existed for several months; no evidence of systemic involvement.
Psoriasis inversa: 85-year-old patients, Zn of severe exanthematic psoriasis years ago, all healed, but submammary severe psoriasis inversa again and again. stable healing under MTX 5 mg/week + tacrolimus topically 1 x daily
Psoriasis capitis. solitary, chronically stationary, sharply defined, silvery scaly plaque that extends beyond the hairline. infestation of predilection sites on the rest of the body
Granuloma anulare disseminatum: partial manifestation on the forearm. non-painful, non-itching, disseminated, large-area plaques that appeared on the trunk and extremities of a 65-year-old patient. no diabetes mellitus. no other systemic diseases known.
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