Lymphoma, cutaneous T-cell lymphoma, panniculitis-like acute clinical picture with plate-like infiltrates, which receded leaving behind deep and extensive scarring of skin and subcutis.
Pseudoacanthosis nigricans: symmetrical, brownish, moderately sharply defined, poorly elevated, completely asymptomatic plaques over the spinous processes of the vertebral bodies; no detectable underlying disease.
Necrobiosis lipoidica; overview of the right lower leg: Approx. 7 x 20 cm large, sharply defined, erythematous, slightly elevated plaque with distinct ulcerations along the tibial edge of a 38-year-old female patient.
Purpura pigmentosa progressiva. incident light microscopy, blurred, yellow-brownish spots (star), in addition to punctiform, fresh bleeding (horizontal arrow) also older brown-reddish spots already in decomposition (vertical arrow). line pattern: traced skin line pattern of the skin of the lower leg
Cutis verticis gyrata: Lateral profile of the capillitium of a 26-year-old patient (bodybuilder), who after extensive use of anabolic steroids developed these cerebriform thickenings, furrows and folds of the capillitium, which had been progressive for 6 months.
Lymphomatoid papulosis of the flexor-sided forearm; within a few weeks a red, painless lump developed, which ulcerated in a central crater-like manner.
Leprosy lepromatosa: advanced findings with numerous, almost symmetrically distributed, asymptomatic papules and nodules, no concomitant inflammatory reaction.
Necrobiosis lipoidica: irregularly configured, sharply defined, plate-like, atrophic, "scleroderma-like", smooth plaques. brownish-yellow sunken centre with atrophy of skin and fatty tissue. reddish-violet to brownish-red rim.
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