Pemphigoid gestationis. itchy, since 4 weeks existing exanthema with multiple, generalized, symmetric, truncated, large red plaques with isolated, bulging blisters. picture reminds of an erythema exsudativum multiforme.
Balanitis plasmacellularis: chronic balanitis in a 62 year old patient. no other skin diseases known. no diabetes mellitus. slight urinary incontinence in case of prostate hyperplasia. sharply defined, slightly raised red plaque. no significant symptoms.
AIN. Anal dysplasia. Large, hyperkeratotic area with smaller satellite lesions. The surface is granular and shows different areas of keratinization. Histologically, there was a grade 2 intraepithelial neoplasia.
Lichen planus verrucosus: a hypertrophic lichen planus with pseudoepitheliomatous epithelial hypertrophy and scarring that has been present for several years.
Primary cutaneous follicular center lymphoma: chronically active, increasing for 12 months, localized on the trunk and upper extremities, disseminated, 0.3-0.7 cm in size, asymptomatic, hemispherical, firm, smooth, red papules and nodes.
For a long time now, this large, "well-cared for", low-consistency, borderline, sometimes itchy plaque (interval-like local treatment with corticosteroids) has existed in the 42-year-old patient.
Erythrokeratodermia progressiva symmetrica. extensive, sharply defined, brown-yellow discoloured, scaly and hardened plaques existing since the 2nd LJ, which had already appeared on other parts of the trunk, but healed there in the meantime. occasional slight itching.
Lichen sclerosus extragenitaler: Progressive lichen sclerosus for 2 years with a clearly sunken scarring of the lower lip and chin; surrounding, flat, blurred, clearly consistent plaque with a red-white coloration in the chin area (here the clinical features of the lichen sclerosus are visible).
psoriasis: here partial manifestation of a generalised psoriasis. plaques, papules, papulo-pustules. massive, in places weeping scale overlays. no pre-treatment.
Mammilla, accessory. 0.6 cm high, solitary, brown plaque, clearly grown during puberty, localized in the so-called embryonic lactiferous ridge, without symptoms, with a central pointed conical papule and a coarse-fielded surface.
Amyloidosis cutis nodularis atrophicans: Solitary, soft, brownish-yellowish nodule on the nostril (histologically confirmed as amyloidosis cutis) in a 27-year-old man without clinically detectable systemic amyloidosis.
Psoriasis palmaris et plantaris: dry keratotic plaque type. Pretreated psoriasis plantaris: typical pattern of infection with flat, sharply defined red plaques with and without scaly deposits.
hairy tongue, black. brownish, yellowish-green or dirty greyish, sharply defined, warty, rough plaques of the tongue surface, especially localized in the middle and posterior third of the tongue back. clearly elongated papillae filiformes. shown here are changes in a cigarette smoker after long-term therapy with broad-spectrum antibiotics and regular nicotine abuse.
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