Pityriasis versicolor alba: irregularly distributed, symptomless, bright spots, which in places have merged to form larger areas, appearing after repeated exposure to sunlight.
Vitiligo, general view: Multiple, since adolescence occurring, size-progressive, flat, partly bizarrely limited, bright spots in the chest area of a 28-year-old woman. In the area of the sternum small islands of repigmented skin are visible within the bright spots.
Vitiligo: (Detail enlargement): Multiple, since adolescence occurring, size-progressive, flat, partly bizarrely limited, bright spots on mamma and in the sternum area of a 28-year-old woman. The left areola mammae (areola) is largely depigmented.
Becker-Naevus: Since birth existing, extensive hyperpigmentation in the area of the right hip in a 7-year-old boy; typical for the Becker-Naevus is the bizarre bordering as well as the follicular accentuation in the pigment zones.
naevus anaemicus: congenital, irregularly dissected white, smooth stains at the edges. no reddening after rubbing the stain. on glass spatula pressure the boundaries to the surrounding area disappear.
Purpura pigmentosa progressica (type: Purpura anularis teleangiectodes): brown-red anular, by confluence also serpiginous foci. no significant itching. sporadically also largely faded only shadowy spots
Drug reaction, fixed. multilocular FA (1st recurrence in loco) after administration of ibuprofen, 24 h before the first symptoms appear. The present spots are older than 1 week. ring and indicated cocardium structures (see right side of the thigh, initial central bladder).
Special form: Mycosis fungoides follikulotrope: 10-year-old girl with generalized folliculotropic Mycosis fungoides. foudroyant course of the disease which made a stem cell transplantation necessary.
Vitiligo (differential diagnosis): Halo-like depigmentation of the skin in metastasized melanoma; Balau-translucent the deep cutaneous melanoma metastases.
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