Naevus sebaceus: 1.8 x 3.2 cm in size, existing since birth, slightly raised, slightly increasing, skin-coloured plaque on the right thigh of a 3-month-old girl; numerous telangiectasias are conspicuous.
Psoriasis vulgaris. 52-year-old patient with known psoriasis, which has been increasingly affecting the entire integument for four months. universal redness (with little induration) and scaling of the skin. erythrodermal findings.
Balanitis plasmacellularis: chronic balanitis in a 67 year old patient. no other skin diseases known. no diabetes mellitus. slight phimosis of the foreskin. slight urinary incontinence. 2 sharply defined, slightly raised red plaques. no significant symptoms.
Lichen simplex chronicus: Solitary, chronically stationary, red, rough plaque, which is formed by the "confluence" of multiple red papules. In the marginal area, single papules are still visible.
Erythema induratum (Nodular vasculitis): The 48-year-old patient has been suffering for 2 years from these intermittent, moderately painful, therapy-resistant plaques which tend to ulceration.
Chronic stationary, 2.5 cm large, sharply defined, clearly elevated, itchy, red, rough, scaly plaque and small rhagades on the right nipple of a 45-year-old atopic woman, persisting for 2-3 months.
Xanthelasma. 63-year-old patient with known hyperlipidemia. The existing skin lesion developed gradually within the last two years. 1.5 x 0.6 cm large, soft, yellow, fielded elevations with a smooth surface. No subjective symptoms.
Eczema atopic photoaggravated: 72-year-old female patient with a known, less active, chronic atopic eczema. 1 year ago the patient noticed an increasing "sensitivity to light". The present UV-triggered exacerbation with pronounced itching (after a long walk in summer sunshine) has persisted for 3 months. Despite local treatment with a class II steroid externum it proved to be resistant to therapy.
Drug exanthema, maculo-papular. multiple, acutely occurring, generalized, very itchy, mainly on the trunk and extremities localized, mostly confluent, smooth papules and plaques in a 31-year-old woman. Occurrence after ingestion of acetylsalicylic acid.
Parapsoriasis en plaques Large-heart poikilodermal form (Parakeratosis variegata): large-area, completely asymptomatic, regularly distributed, blurred patches and plaques; no scaling.
Leiomyoma: multiple, chronically stationary, existing since earliest childhood, occurring only at one localization (ubiquitous occurrence only rarely), in this case striped, occasionally (pressure-)painful, brown-red, flat, firm, smooth papules.
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