Churg-Strauss syndrome: encircled central granulomatous regression zone (see histological preparation 1); on the right side the progression zone is outlined (see histological preparation 2).
Airborne Contact Dermatitis: Acute, extensive, enormously itchy and burning dermatitis with irregular, extensive infestation of the exposed facial areas including the eyelids.
Systemic lupus erythematosus (late onset): characteristic "collagenosis hands" with variable blue-red and livid-red patches. 83-year-old patient with known (since several years proven) systemic lupus erythematosus.
Mycosis fungoides patch stage: For the first time in the 39-year-old woman multiple, itchy, erythematous, brownish, partly scaly, partly confluent plaques appeared at the gluteal region during pregnancy and spread to the legs in the course of the pregnancy. transition from parapsoriasis en plaques to mycosis fungoides in patch stage.
Chronicdyskeratosis follicularis, also affecting the Rima ani (see detailed picture), intertriginous, whitish and red-brownish sooty, blurred, macerated, superficially rough, clearly increased in consistency, itchy and unpleasantly smelling plaques.
Tinea pedum (moccasin type). general view: For about 13 years non-healing redness and scaling, partly with severe itching, in the area of the right foot in a 30-year-old female patient. sharply defined, marginal scaling erythema, pustular formation, swelling of the foot with limited walking ability.
Tinea pedum, detail enlargement: Sharply defined, marginal scaly erythema, pustular formation, scaly seam along the edge of the foot and multiple scratch excoriations, some of which are crusty.
Psoriasis palmaris et plantaris: Plaque type with dyshidrotic vesicles. 22-year-old woman shows sharply defined, red, rough plaque with multiple, smaller itchy vesicles (no pustules) and scaling.
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