
Pemphigoid bullous L12.0
Pemphigoid, bullous. general view: state of healing. Disseminated, sharply defined or confluent, brownish or livid, postinflammatory hyperpigmentation in a 55-year-old female patient.

Maculopapular cutaneous mastocytosis Q82.2
Urticaria pigmentosa: variously large, disseminated, flat, oval or round, brownish-red spots on trunk, buttocks and thighs; 27-year-old female patient. Continuous proliferation of spots for years. No evidence of systemic infestation. See findings 10 years later.

Acanthosis nigricans (overview) L83
Acanthosis nigricans (benigna): generalized clinical picture with large, blurred, symptomless, surface rough, brown, otherwise completely symptomless plaques.

Atrophodermia idiopathica et progressiva L90.3
Atrophodermia idiopathica et progressiva: detailed picture.

Hyperpigmentation caloric L81.8
Hyperpigmentation, caloric by regular warming at a heating stove. detailed view.

Purpura pigmentosa progressive L81.7
Purpura pigmentosa progressiva. discrete blurred red to red-brown spots. slight itching. occurs after taking ibuprofen due to a flu-like infection.

Maculopapular cutaneous mastocytosis Q82.2
Urticaria pigmentosa: approx. 0.5-1.0 cm in size, disseminated, roundish, brownish-red spots. Only when rubbed, the spots become more red with accompanying itching. Increased redness and itching even in warm showers or baths.

Café-au-lait stain L81.3
Café-au-lait spots: in neurofibromatosis type I. Several medium brown spots in the lumbar region.

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.

Notalgia paraesthetica G58.8

Purpura pigmentosa progressive L81.7
Purpura pigmentosa progressiva: aetiologically unexplained (medication?) pronounced clinical picture that has been changing for several months, with symmetrically distributed, disseminated, anular, non-expressable(!), non-itching, yellow-brown, spots (detailed picture).

Erythema dyschromicum perstans L81.02
Erythema dyschromicum perstans. 49-year-old male. Several months old with extensive gray-brown patches on the trunk. No itching. No drug history?

Purpura anularis teleangiectodes L81.7
Purpura anularis teleangiectodes: clinical picture that has existed for several months with anular, borderline reddish-brown (not push-off) spots and plaques; no itching

Amyloidosis macular cutaneous E85.4
Amyloidosis macular cutaneous: Large, long-standing, continuously spreading, blurred, symmetrical, light to medium brown spots and plaques; histological evidence of the amyloid.

Atrophodermia idiopathica et progressiva L90.3
Atrophodermia idiopathica et progressiva: extensive, poorly indurated circumscribed circumscribed scleroderma (Morphea).

Atrophodermia idiopathica et progressiva L90.3
Atrophodermia idiopathica et progressiva: Large, erythematous-livid to brown, confluent, discreetly indurated, smooth, blurred spots and plaques (acquired mosaic dermatosis, chessboard-like pattern).

Mastocytosis (overview) Q82.2
Urticaria pigmentosa adultorum: Classical form of cutaneous mastocytosis (excess of mast cells in the skin) with multiple red patches and wheals (positive Darier sign, due to the friction of the trousers) clearly protruding in the buttock area, and light brown in the adjacent lumbar area, 0.1-0.3 cm in size.