Verrucae planae juveniles: Polygonal, yellowish papules the size of a pinhead, partly with discrete scaling, first appeared on the chin of a 10-year-old boy half a year ago.
Alopecia areata totalis: Complete loss of hair on the capillitium, eyebrows and eyelashes, encircling an area of skin where the hair follicles that have been preserved are clearly visible.
Leprosy lepromatosa: stiffening of the fingers in a claw-like position. closure of the fist no longer possible. atrophy of the interosseous musculature (see following figure).
Dupuytren's contracture: 2nd degree with minor obstruction of the extension of the finger in the metacarpophalangeal joint; secondary findings include palmar psoriasis.
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