nevus, melanocytic, halo-nevus. overview image: periumbilical localized halo-nevi, whose size has not changed in the last years. similar skin lesions were found on the patient's back.
Vitiligo: Multiple predominantly roundish vitiligo foci. A foci with a central residue of a melanocytic nevus (halo or sutton nevus) is encircled. Note: In the 14-year-old boy it is conspicuous that not a single melanocytic nevus is detectable.
naevus anaemicus in periperous neurofibromatosis. coin-sized to palm-sized, almost jagged, white spot (here marked by arrows). this bizarre spot is visible with varying degrees of clarity. it is particularly noticeable when the surrounding area is reddened as a "negative contrast". after intensive rubbing of the spot, no reddening is visible in the area of the spot. .
Naevus anaemicus: Approximately palm-sized, irregularly limited, white, smooth stain. No reddening after rubbing the stain. On glass spatula pressure the borders to the surrounding area disappear.
Naevus anaemicus. solitary, permanent, congenital, 1.0-10.0 cm large, bizarrely limited, symptomless, smooth, bright spot on the back of a 33-year-old man. rubbing causes the surrounding area to redden, the spot remains white.
Vitiligo: generalized vitiligo in a young Ethiopian. sharply defined, almost symmetrically arranged depigmentations, mostly of large and small area. on close inspection, further, multiple, less sharply marked incompetently depigmented spots (grey-brown stains) can be found.
Vitiligo : On the right side of the picture a halo-nevus; in the larger vitiligo focus above the lumbar spine a largely depigmented melanocytic nevus is visible.
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