Folliculitis barbae. multiple, chronically active (changing symptoms for the last 3 months), follicular, sometimes painful, also itchy, red, rough papules and pustules localised on the neck and chin. no comedones. the patient shaves dry.
Schnitzler syndrome: considerable feeling of illness with recurrent fever attacks, itchy urticarial (here rather discreetly developed) exanthema (exanthema attacks go parallel with the periodic fever); furthermore exhaustion and tiredness.
erythema exsudativum multiforme. suddenly appeared, since 4 days existing, itchy, disseminated exanthema with cocard-like plaques. the skin changes appeared shortly after the beginning of antibiotic therapy for urinary tract infection. here the finding on the back of the hand. s. isomorphism (koebner phenomenon).
Scabies granulomatosa, highly itchy (especially at night), solitary papules and nodules on the lower back and buttocks of an 85-year-old female patient.
Lichen planus exanthematicus. symmetricgeneralized distribution pattern of Lichen planus. the densification of the efflorescences in the belt region is to be interpreted as (pressure-induced) Koebner phenomenon.
Candida granuloma: Recurrence at the forearm extensor side in a 28-year-old patient 1 year after complete regression of the granulomas under antifungal systemic therapy.
Scabies granulomatosa; after antiscabial therapy persistent, severely itching, reddish-brown, solitary or grouped papules in an 81-year-old resident who had been treated with lindane in a scabies epidemic.
Malasseziafolliculitis: Disseminated follicle-associated inflammatory papules and papulopustules on the back of a 53-year-old female patient with melanocytic naevi and isolated seborrheic keratoses.
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