erythroplasia. solitary, chronically dynamic, about 2 cm in size, sharply defined, clearly increased in consistency, symptom-free, red, smooth plaque. continuous growth since 1.5 years despite intensive local therapy. no healing after circumcision. laterally in the front a flat, rough, bizarrely defined white plaque (leukoplakia) is visible.
Lichen sclerosus et atrophicus. pinhead-sized, in places confluent, whitish shining papules. complete atrophy of the labia minora. associations with autoimmune diseases like vitiligo, alopecia areata or thyroid diseases are possible.
Eczema, hyperkeratotic rhagadiform eczema of the hands and feet. 3-year-old man: 3-year-old man with a chronic recurrent, blurred, flat, yellowish-brown, rough, strong, scaly plaques on the left hand of a 21-year-old man; several small, painful rhagades and smaller artifactual excoriations are visible.
eczema atopic in dark skin): here as partial manifestation of a generalized (face, neck, hands, lower leg and back of the foot) intrinsic atopic eczema Chronic brown-grey, blurred, itchy, rough plaques on lichenified skin.
Kaposi's sarcoma:Generalization of angiosarcoma. Disseminated spots and flat plaques. Characteristic is the arrangement in the tension lines of the skin, whereby a striped arrangement is recognizable in places.
Chronic cheilitis in lupus erythematosus chronicus discoides. Chronically active, red, hyperesthetic plaques with adherent scaly deposits on the lip red of the upper and lower lip.
Mycosis fungoides: Plaque stage. 53-year-old man with multiple, disseminated, 1.0-5.0 cm large, in places also large, moderately itchy, clearly consistency increased, red rough plaques. development over 4 years.
Erythema chronicum migrans: Oval, slowly growing, completely symptom-free, red-brown, homogeneously filled stain, slightly darkened in the centre. persists for about 2 months. healing under 2-week therapy with doxycyline (200 mg). stain was still visible 6 months after completion of antibiotic therapy.
Erythrokeratodermia figurata variabilis. very irregularly distributed, bizarrely configured, polycyclic, scaly plaques with alternating clinical expressivity and acuteness as well as very characteristic peripheral scaly ruffs (buttocks) in a 6-year-old boy. few symptomatic skin lesions existing since 2 years.
Hemangioma of the infant. 0.9 x 1.2 cm measuring cherry red spot in the fingertip area on digitus II of the left hand of a 3-month-old infant. At birth a discrete red spot already existed in the area of the lesion which has since increased in color and size.
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