
Atrophodermia idiopathica et progressiva L90.3
Atrophodermia idiopathica et progressiva: Confluent brownish foci with a central whitish sclerosed area.

Mastocytosis (overview) Q82.2
Mastocytosis of the urticaria pigmentosa type: generalised infestation of the integument with disseminated brown spots, patches, papules and plaques, which in some places congregate to form larger areas

Incontinentia pigmenti (Bloch-Sulzberger) Q82.3
Incontinentia pigmenti, Bloch-Sulzberger type: a few weeks old girl with flat and streaky, inflammatory, in places hardly noticeable blistery skin changes.

Hyperpigmentation L81.89
Physiological tanning by solarium, reduced pigmentation at the contact points.

Extrinsic skin aging L98.8
Chronic light damage: poikiloderma after years of excessive UV exposure, including hyperpigmentation, depigmentation and numerous precanceroses of the actinic keratosis type.

Café-au-lait stain L81.3
Café-au-lait stains: in neurofibromatosis type I. 2 medium brown homogeneously coloured light brown rounded spots.

Nevus melanocytic dysplastic D48.5
Nevus from the back of an 84-year-old man who already had a melanoma 8 years ago. Noticed during the follow-up. The excision revealed a dysplastic nevus of the compund-type.

Atrophodermia idiopathica et progressiva L90.3
Atrophodermia idiopathica et progressiva: slowly progressive, large, brown, non-symptomatic patches

Atrophodermia idiopathica et progressiva L90.3
Atrophodermia idiopathica et progressiva. detail section: Chronic stationary, map-like spread, brownish spots in an 18-year-old woman. The existing skin changes developed within 2 years and originally had a rather reddish-livid colour.

Notalgia paraesthetica G58.8

Becker's nevus D22.5
Becker-Naevus: flat hyperpigmentation in the area of the right hip in a 7-year-old boy, existing since birth.

Atrophodermia idiopathica et progressiva L90.3
Atrophodermia idiopathica et progressiva: Large, red, confluent, barely palpable, smooth, sharply defined, symptom-free patches/plaques that slowly expand over months.

Becker's nevus D22.5
Becker nevus: planar and spatter-like hyperpigmentation, focal hypertrichosis in the region of the lateral thoracic wall in young men; hardly visible at birth, postpubertal expression.

Amyloidosis macular cutaneous E85.4
Amyloidosis macular cutaneous: Apparently UV-intensified brown-black spot and plaque formation in the breast area. unexposed areas less affected.

Graft-versus-host disease chronic L99.2-
generalized cGVHD: generalized, scleroderma-like, hardly itchy generalized skin disease. graft-versus-host disease occurred about 2 years after stem cell transplantation. poikiloderma with bunchy, hyper- and depigmented indurated plaques.

Lentigo maligna D03.-
Lentigo maligna: a slow-growing, completely symptom-free spot that has been known for years; histologically, no invasiveness (transition to lentigo maligna melanoma) could be detected even in cut series.