Lichen sclerosus et atrophicus: in addition to the still detectable changes of the lichen sclerosus, blurred, flat, erosive, red, solid plaque on the posterior commissure with spreading to the perineum. Histological evidence of a spinocellular carcinoma.
Botryomycosis. less spectacular clinical findings. circumscribed, less painful area with pustules, nodules and extensive induration. the diagnosis was histologically confirmed by evidence of a deep granulomatous inflammation with abscesses and the presence of eosinophilic granules, the so-called Splendore-Hoeppli phenomenon.
Folliculitis (superficial folliculitis): 33-year-old man; recurrent, single inflammatory follicular papules on the lips, nose and forehead; heals after 10-14 days without scarring.
Seborrhoeic eyelid dermatitis: chronic recurrent, therapy-resistant dermatitis of the eyelids and the adjacent facial areas; the symptoms subside if the patient stays in climatically favoured regions.
Acrodermatitis chronica atrophicans. 78-year-old female patient with confirmed neuroborreliosis 6 years ago and still positive Borrelia serology. Multiple, chronically inpatient, persisting for 2 years, asymmetrical (only on the left leg), blurred, sometimes burning pain, large, red to red-livid, smooth erythema, partly with crinkled surface (cigarette-paper-like puckering).
Arthritis urica: sudden spontaneously occurring spontaneously and under slight pressure painful (walking is difficult) redness and swelling of the right metatarsophalangeal joint of the big toe Known hyperuricemia
Bowen, M.: solitary plaque, progressive in size, occasionally accompanied by itching, measuring 1 x 7 cm, sharply and arching, border-emphasized plaque, on the right lumbar side in a 74-year-old woman; a reddish, partly scaly aspect and central fading are impressive.
Necrobiosis lipoidica: bilateral, gradually increasing, moderately sharply defined, confluent, reddish-brownish, centrally slightly atrophic plaques that have existed for about several years.
Granuloma py ogenicum (pyogenic granuloma) A 14-day-old, trauma-induced, centrally ulcerated, slightly bleeding, rapidly exophytically growing, benign, soft, spherical, red, sharply defined tumour in the region of the end of the finger; slightly painful.
Nail hematoma: Apparently caused by repetitive trauma (probably triggered by a trauma from frontal trauma, e.g. during a football match), transverse bleeding, the growing nail area is normally stained.
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