
Becker's nevus D22.5
Becker nevus:Detail enlargement: nevus on the left upper arm/shoulder in a 14-year-old adolescent.

Extrinsic skin aging L98.8
Chronic actinic skin damage: pronounced chronic light damage to the skin with poikilodermatic skin; years of excessive, chronic sun exposure.

Mastocytosis (overview) Q82.2
Mastocytosis. type: Multiple mastocytomas Multiple, chronically stationary, approx. 0.6 x 0.7 cm large, localized on the entire integument, disseminated, round to oval, brown, smooth, little itchy spots and plaques in a 4-year-old boy.

Diffuse cutaneous mastocytosis Q82.2
Mastocytosis diffuse of the skin: Disseminated large-area mastocytosis of the skin (type Ia); no systemic involvement detectable (detailed picture)

Becker's nevus D22.5
Becker-Naevus: chronically stationary, planar, splatter-like light brown pigmented, rough, sharply defined stain; no change in pigmentation in the last 20 months compared to the previous findings

Phototoxic dermatitis L56.0

Becker's nevus D22.5
Becker nevus: General view: Approx. 20 x 26 cm measuring, homogeneously pigmented, hairless, melanocytic, marginal spatter-like frayed pigmentation on the left upper arm/shoulder of a 14-year-old adolescent. The pigmentation had developed in childhood and had gradually grown over the entire shoulder and upper arm. Clear dark coloration after sun exposure. Incident light microscopy showed no evidence of malignancy.

Purpura anularis teleangiectodes L81.7
Purpura anularis teleangiectodes: brown-red anular, also cocard-like (ring-in-ring structure) by confluence also serpiginous foci. no significant itching. sporadically also largely faded only shadowy spots.

Parapsoriasis en plaques large L41.4
Parapsoriasis en plaques, large: symptomless, well limited. disseminated stains and plaques. When the skin is wrinkled, a cigarette-paper-like pseudoatrophic architecture of the skin surface is visible (important diagnostic sign!).

Hyperpigmentation caloric L81.8
Hyperpigmentation, caloric. 55-year-old female patient, who was treated for several months with heat applications because of back problems. At the heat contact points, partly anular, partly reticular, partly flat, dirty-brown hyperpigmentation can be seen.