Circumscribed scleroderma (plaque type): for about 2 years first occurring, since then progressive in size, large, brown, locally confluent, moderately indurated stains and plaques in the area of the trunk in a 28-year-old female patient.
Parapsorisis en petites plaques: completely symptom-free red (hardly palpable), slightly scaly plaques; recurrent course for years; improvement in the summer months or under UV therapy.
psoriasis guttata. small, exanthematic form of psoriasis after streptococcal infection. only slight scaling (due to pre-treatment). note the indicated linear patterns (koebner phenomenon). the auspitz phenomenon (finest punctiform bleeding after removal of the uppermost scaly layer with a wooden spatula) can still be triggered even in these pre-treated lesions and is therefore an excellent diagnostic sign (best triggered in the small papules).
Dermatitis, seborrhoeic: 62-year-old patient with a negative family history of psoriasis. recurrent HV on the trunk for years. no itching. multiple, chronically inpatient, figured, borderline, sometimes itchy, moderately scaly, clearly borderline hardly elevated plaques.
Kaposi's sarcoma epidemic: Dissemination of the angiosarcoma in the skin. Characteristic arrangement of the foci in the cleavage lines. In places the foci merge into larger plaques.
Circumscriptal scleroderma (plaque-type/variant: Atrophodermia idiopathica et progressiva) Survey picture of the trunk: 2 years ago for the first time appeared, since then size progressive, large-area, erythematous-livid to brown, confluent, discreetly indurated spots and plaques in the region of the trunk in a 68-year-old female patient. In the region of the lower abdomen on the right side clearly sclerosed plaques of whitish color with partly distinctly atrophic surface and partly livid margins are found.
Acanthosis nigricans benigna: blurred brown-black spots and plaques. the plaques are characterized by a slightly sooted, leathery surface. no subjective symptoms.
Eczema, photoallergic. 78-year-old female patient. Taking diuretics because of lymphedema. After first exposure to sunlight in spring, blurred erythema, reddened papules as well as flat, scaly plaques (sternal area) appeared in light-exposed areas.
Primary cutaneous marginal zone lymphoma: livid to erythematous plaques in a 64-year-old female patient, which appeared for the first time 12 monthsago . Clearly indurated efflorescences on otherwise apparently free skin. No scratch excoriations, no scaling, no pruritus.
Lupus erythematosus chronicus discoides: chronic cutaneous lupus erythematosus that has been present for several years, progressive, disseminated, scarring, chronic cutaneous lupus erythematosus, no evidence of systemic involvement (no ANA, no DNA antibodies).
Circumscripts of scleroderma (plaque-type). 24 months ago, a progressive, 26 x 21 cm large, flat, partially white-porcelain-like indurated area appeared for the first time in a 21-year-old patient. Additional findings were extensive brownish hyperpigmentation as well as multiple, partly very dark pigmented nevi in a trunk accentuated distribution.
Lupus erythematosus chronicus discoides: a relapsing, progressive, disseminated, scarring, chronic cutaneous lupus erythematosus that has been present for several years. No evidence of systemic involvement (no ANA, no DNA antibodies). Here is a detailed picture.
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