Pityriasis rosea in dark skin. A few weeks old, slightly itchy, bran-like scaly exanthema in a young Ethiopian patient. Noticeable is the accentuated brighter border of the plaques.
Verrucous squamous cell carcinoma of the palm. solitary, chronically stationary, exophytic, hemispherical, dirty brown nodules localized on the palm of the right hand, approx. 0.4 cm in size, with a coarse consistency, on an approx. 1.5 x 2.0 cm oval, mostly sharply defined, rough, red, verrucously fissured, symptomless plaque.
lupus erythematosus, subacute-cutaneous: clinical picture that has existed for several years, varying in severity and progressing in phases; no significant feeling of illness; ANA+, anti-Ro Ak+, no dsDNA-Ak.
Lupus erythematosus, subacute-cutaneous, general view: Multiple, solitary and confluent, small to large, only slightly elevated, little scaly papules and plaques.
Bowen's disease with transition to Bowen's carcinoma: solitary, size-progressive plaque that has been present for several years, occasionally accompanied by itching, sharply and arc-shaped, border-emphasized plaque with increasing verrucous nodular formation (see following figure).
Atopic eyelid dermatitis: atopic eyelid dermatitis in a 62-year-old man, with distinct periorbital redness, blepharitis, swelling and injection of the conjunctiva. Double row of eyelashes (distichiasis). The lower third of the pupil shows a veil-like opacity (pterygium conjunctivae) possibly as a consequence of constant rubbing of the eyelashes.
Dyskeratosis follicularis: General view: chronically dynamic, on the back localized, partly disseminated, but mostly flat arranged, dirty brown, flatly elevated, very itchy papules and plaques in a 43-year-old patient.
Lipogranulomatosis subcutanea: Pressure pain-sensitive, subcutaneously situated, walnut-sized nodules with livid discoloration and superficial skin peeling on the inner side of the lower leg in a 59-year-old woman.
Dermatitis atopic: Skin lesions in a 14-year-old girl with generalized atopic dermatitis. Accentuated, blurred, extensive, grayish-brown, itchy plaques in the area of the joint bends. Skin field coarsened (lichenification).
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