Acne conglobata: inflammatory, also abscessing nodules, bowl-shaped atrophic scars. continuous course of acne since puberty. the skin symptoms are combined with severe acne inversa of the axillae and inguinal regions.
In the area of the forefoot and the digites I and II, a foul-smelling, yellowish-smeary ulceration extending to the subcutis is visible. Furthermore, there are chronically stationary, long-standing, skin-coloured papules (papillomatosis cutis lymphostatica) aggregated to form bed formations, as well as partially whitish macerated toe spaces.
Lymphomatoid papulosis: now misdiagnosed as ulcerative "pyoderma". As it was a multiple relapse of the same disease, the diagnosis is clinically confirmed. Previously painless nodular formation within 14 days with rapid (overnight) central necrosis.
Lymphoma, cutaneous T-cell lymphoma, large-cell, CD30-positive. general view: Multiple, chronically dynamic, increasing, non-displacing, confluent, covering a total area of 6 x 6 cm, hemispherical nodules with hard, central, red part and deep, crater-shaped ulceration in a 64-year-old patient.
Lichen planus (erosivus) mucosae: multiple, chronically active (since about 1 year), extensive, partly confluent, painful erosions as well as veil-like red (atropical) and white plaques (note: the findings must be distinguished from the exfoliation areata linguae).
Cholesterol embolism: extensive, progressive, flat ulcerations with necrotic deposits, highly painful margins and livid erythema in a patient with AVK.
Pemphigus vulgaris: 63-year-old patient with a pemphigus vulgaris (mucocutaneous type) that has existed for 3 years; extensive painful erosions of the capillitium.
Collagenosis, reactive perforating. detail enlargement: solitary, 0.3-1.3 cm large, red papules with a coarse central horn plug. the smaller papules correspond to an early stage of the disease.
Acne fulminans: for months, known Acne vulgaris; now for several months intermittent febrile occurrence of rapidly melting, painful pustules Laboratory: inflammation parameters significantly increased, neutrophil leukocytosis (>10.000/ul)
Condition 4 weeks after germ removal, extensive removal of the underlying fibrosis plates by means of shave excision and defect coverage by means of split skin.
Thrombangiitis obliterans. 32-year-old patient with years of nicotine abuse and patchy palmar erythema (more pronounced in cool surroundings) and mummified fingertip necroses that have been present for 6 months.
Livedo racemosa: irregular, bizarre, not closed circular segments (ankle region), as pioneering morphological indicators for livedo racemosa; for several months now therapy-resistant, schematic deep ulcers.
Ulcus cruris venosum. deep, punched out ulcer on the lower leg in CVI. the edges are macerated whitish in places. there is a film of zinc paste in the surrounding area.
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