erythema induratum. inflammatory, moderately painful, red to brown-red, subcutaneous nodules and plaques. size 2.5 cm, rarely up to 10 cm. often deep-reaching, necrotic melting with subsequent ulceration. chronic course over several years possible. healing with the leaving of brownish scars.
Tinea pedum. general view: Discrete, well-defined, heart-shaped, slightly scaly hyperkeratosis and erythema on the right foot back of an 80-year-old female patient with exacerbated tinea pedum.
ecchymosis syndrome, painful. intermittent manifestation of painful, demonstrably non-traumatic induced skin bleeding in a 61-year-old woman. initial pressure-sensitive erythema. subsequent development of skin bleeding and slow expansion of the skin changes. chronic recurrent course. no underlying disease known.
Primary cutaneous diffuse large-cell B-cell lymphoma leg type: nodules and plaques on the lower leg of a 65-year-old woman, which have been present for several months and have been growing rapidly over the last few weeks, partly plate-like, partly nodular, completely painless, surface-smooth.
Naevus sebaceus: 1.8 x 3.2 cm in size, existing since birth, slightly raised, slightly increasing, skin-coloured plaque on the right thigh of a 3-month-old girl; numerous telangiectasias are conspicuous.
Primary cutaneous diffuse large-cell B-cell lymphoma leg type: Detail magnification: Approx. 4-5 cm diameter, irregularly shaped, bulging, deep red tumor with smooth surface of a 75-year-old patient.
Artifacts: Multiple, deep, punch-like ulcerations in an otherwise healthy 27-year-old female patient. CVI, AVK or immunological underlying diseases were not detectable.
Klippel-Trénaunay syndrome: Extensive vascular malformation with a large-area nevus flammeus affecting the trunk and the right lower extremity with soft tissue hypertrophy of the right lower extremity; pelvic obliquity.
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