Pityriaisis versicolor alba: irregularly distributed, symptomless (slight feeling of tension in the skin) bright spots, which now appeared and were noticed after a sun holiday.
Alopecia areata. roundish, centrifugally and medially spreading, smooth, hairless area with preserved follicles. in the active marginal area hair can be pulled out in bundles. under internal steroid treatment with methylprednisolone for 4 weeks, hair re-growth occurred in places.
Trichotillomania; for 2 years in a 9-year-old boy a circumscribed, flat alopecia of varying extent; due to incomplete and frequent pulling out of the hairs single tufts of hairs have stopped again and again.
Cheilitis actinica chronica: uniform, laminar leukoplakia of the upper and lower lip with a tendency to rhagade formation; keratotic deposits in the area of the lower lip occur more and more often.
Lichen planus. in a 34-year-old man there are whitish, partly circulatory smooth plaques in the area of the glans penis and the prepuce. in addition, there is a white reticular structure of the buccal mucosa of the cheek.
Lupus erythematodes chronicus discoides: dry-scaling, red, hyperesthetic, plaques with adherent scaling that have existed on both halves of the face for 5 years; no evidence of systemic LE. DIF with typical pattern.
Graft-versus-Host-Disease, chronic. 2 years after stem cell transplantation, large-area scleroderma and poikiloderma skin changes. here detail picture with massive acrosclerosis. scarring of the fingertips after healed fingertip necrosis.
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