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.
Dermatomyositis (overview): Striped arrangement of red papules and plaques, which confluent to flat areas in the area of the end phalanges; strongly pronounced nail fold capillaries.
Calcinosis cutis dystrophica: ulceration with a rock-hard, irregular base and reddened periulcerous surroundings; accumulation e.g. in systemic scleroderma
Psoriasis guttata: de novo occurred, 0.1-2.0 cm large, reddish, rough papules and plaques with fine-lamellar scaling in a 26-year-old woman, preceded by a feverish flu-like infection.
Psoriasis arthropathica: single (only on the thumb), complete, crumbly onychodystrophy (psoriatic crumb nail) Massive swelling and redness of the entire thumb, infestation of the joints in the ray (so-called sausage fingers).
Erythema anulare centrifugum: Characteristic single cell lesion with peripherally progressing plaque, which is peripherally palpable as well limited (like a wet wolfaden), flattens centrally and is only recognizable here as a non-raised red spot. DD Mycosis fungoides. Histological clarification necessary.
Dermatitis herpetiformis. multiple, disseminated standing, itchy, scratched excoriations on the right arm of a 15-year-old patient. the scratched excoriations are located at sites where grouped vesicles had appeared a few days before. overall, the disease has existed for several months and shows a chronically recurrent course.
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