Pemphigus erythematosus (state after UV-provocation): since about 2 years recurrent, symmetrical skin changes localized in the seborrheic areas. After pretreatment flat depigmentations so oral, scaly palques. On the lower left side the UV-provoked square area (isomorphic irritant effect).
Psoriasis guttata: acutely and de novo appeared, 0.1-2.0 cm large, reddish, rough papules and plaques with fine-lamellar scaling on the trunk and extremities in a 24-year-old woman. A feverish streptococcal angina preceded this. After healing of the initially manifested symptoms, a longstanding chronic, intermittent course of psoriasis followed.
Keratosis seborhoeic: A slow-growing, broad-based, brown-black nodule that has been present for years; a lateral view shows the knot's sloppy growth pattern particularly well.
Pemphigoid gestationis. itchy, since 4 weeks existing exanthema with multiple, generalized, symmetric, truncated, large red plaques with isolated, bulging blisters. picture reminds of an erythema exsudativum multiforme.
Primary cutaneous follicular center lymphoma: chronically active, increasing for 12 months, localized on the trunk and upper extremities, disseminated, 0.3-0.7 cm in size, asymptomatic, hemispherical, firm, smooth, red papules and nodes.
Herpes simplex recidivans: recurrent, in this case very extensive, multilocular herpes simplex infection in an HIV-infected person at intervals of 6-8 months
Erythrokeratodermia progressiva symmetrica. extensive, sharply defined, brown-yellow discoloured, scaly and hardened plaques existing since the 2nd LJ, which had already appeared on other parts of the trunk, but healed there in the meantime. occasional slight itching.
Lichen planus. overview with pathognomic fine-tissue architecture of the LP. ligamentous (not reaching into the deeper parts of the dermis) lymphocytic infiltrate which is "crowded" closely to the epithelium. moderate, continuous acanthosis and hypergranulosis as well as severe orthohyperkeratosis. in the right section of the picture distinct cleft formation in the area of the dermo-epidermal junction zone.
ecchymosis syndrome, painful, intermittent manifestation of painful skin bleeding in a 48-year-old man. initial development of oedematous, overheated, pressure-sensitive erythema. subsequent development of skin bleeding and slow expansion of the skin changes. scarless healing after 1-2 weeks. in the present case, there was a severely pronounced clinical picture with multiple accompanying symptoms, especially fever, weight loss, fatigue, muscle and headaches, arthralgia, epistaxis, haemoptysis and haematuria.
Dermatitis herpetiformis: chronically recurrent course of the disease. persists for about 3 years. disseminated, burning, partly also stinging urticarial papules, papulo vesicles and erosions.
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