Purpura anularis teleangiectodes: clinical picture that has existed for several months with anular, borderline reddish-brown (not push-off) spots and plaques; no itching
Phospholipid-antibody syndrome. In the area of the lower leg and the ankle region of a 35-year-old woman localized, older, streaky, whitish scar areas which are surrounded by a yellowish-brownish coloration (postinflammatory hyperpigmentation). In the transition area to the sole of the foot a reticular, reddish-brown vascular drawing (Livedo racemosa) is impressive on the inside. Secondary findings are arterial hypertension. Several miscarriages are known from history.
Cholesterol embolism: extensive, progressive, flat ulcerations with necrotic deposits, highly painful margins and livid erythema in a patient with AVK.
Prurigo simplex subacuata: typicaldistribution pattern of the interval-like itchy, scratched, inflammatory papules and plaques; small atrophic scars are also visible.
Scleromyxoedema. 52-year-old male patient. Increasing, moderately itchy skin lesions for 5 years. Thigh with multiple, site scattered lichenoid papules.
Culicosis bullosa. unusually large blister formation after a mosquito bite on the lower leg of an 18-year-old woman. Typical is the "sudden" blister formation on otherwise unchanged skin.
Dermatosis, IgA-lineare. for several years intermittent clinical picture with multiple, considerably itchy, 1.0-2.0 cm large, roundish or stripe-shaped erythema, papules, papulo vesicles and encrusted erosions.
Circumscript scleroderma: profound circumscript scleroderma (deep morphea); rare subtype of circumscript scleroderma (<5% of patients); nodular indurations in the subcutaneous fatty tissue were found.
Parapsoriasis en plaques, large-hearthy inflammatory form. increasing palpability of the plaques, combined with itching and increased scaling. transition into a cutaneous T-cell lymphoma could be histologically confirmed.
Porokeratosis Mibelli. gradually progressive finding with solitary, 0.1-0.2 cm large, symptom-free, yellow-brown horny papules (primary lesion), which have been present for years. As shown here, they show surface and thickness growth. On the back of the foot the papules have (coincidentally) merged into a coarse plaque with a spiny surface.
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