
Maculopapular cutaneous mastocytosis Q82.2
Urticaria pigmentosa (overview): Adult form of Urticaria pigmentosa (erythroderma). With a history of many years, continuous increase in spot density. The inlet shows the confluence of numerous red spots.

Nail diseases (overview) L60.8
Nail hematoma: sharply limited brown discoloration of the nail matrix; no longitudinal striations

Maculopapular cutaneous mastocytosis Q82.2
Urticaria pigmentosa: same patient as before. 4 years later. Differently sized, disseminated, flat, oval or round, brownish-red spots on trunk, buttocks and thighs; 52-year-old female patient. Continuous proliferation of spots for years. No evidence of systemic infestation.

Hyperpigmentation L81.89
Hyperpigmentations: chronic flat hyperpigmentations (periorbital region excluded) after taking amiodarone Normal UV exposure

Melasma L81.1
Chloasma. bizarre, mask-like, linear, reticulated or even splatter-like brown-yellow hyperpigmentations, which appear especially after (already minimal) exposure to sunlight. ovulation inhibitor already discontinued for > 1 year

Nevus of Ota D22.30
Naevus fuscocoeruleus ophthalmomaxillaris. Irregularly limited, planar, brown to blackish blue, half-sided pigmentation. No clinical symptoms.

Extrinsic skin aging L98.8
Light ageing of the skin: chequered skin with small hyperpigmentations (solar lentigines).

Acanthosis nigricans benigna L83
Acanthosis nigricans benigna: blurred brown-black plaques, sometimes verrucous, no subjective symptoms.

Thomson syndrome Q82.8
Thomson's syndrome. bilateral raparification of the eyebrows and eyelashes in a 59-year-old woman with Thomson's syndrome. Furthermore, cross-linked telangiectasias, confluent pigmentation spots and well definable depigmentation on both cheeks.

Ephelids L81.2
Ephelids: Spatter-like distributed, yellowish-brownish, smooth spots in the zygomatic arch region of a 19-year-old woman.

Lentigo simplex L81.42
Lentigo simplex: multiple, sharply defined, light-brown pigmentation spots on light-exposed areas of the face, note the pigmentation of the red of the lips

Nail hematoma T14.05
Hematoma, nail hematoma: clearly limited nail discoloration in all directions, see next figure with comparison after 8 weeks.

Melanotic spots of the mucous membranes L81.4
Lentigo of the mucosa: harmless lentigo of the labia minora, persisting unchanged for several years, irregular and blurred, symptom-free, brown-black lentigo of the labia minora (detailed picture) .

Melanotic spots of the mucous membranes L81.4
Lentigo of the mucosa. Acquiredactinically induced lentigo of the lower lip.

Nevus melanocytic congenital D22.-
Nevus melanocytic congenital: half-sided (checkerboard pattern of a cutaneous mosaic) localized congenital melanocytic nevus

Lentiginosis L81.4
Acquired lentiginosis: acquired (solar) lentiginosis due to years of intensive UV exposure.

Neurofibromatosis (overview) Q85.0
Type I Neurofibromatosis, peripheral type or classic cutaneous form. Since puberty slowly increasing formation of these soft, skin-coloured or slightly brownish, painless papules and nodules. Several café-au-lait spots.

Extrinsic skin aging L98.8
Chronic photo-ageing of the skin: moderately pronounced photo-ageing of the skin; in addition to an extensive base tan, irregularly configured pigment spots; further splashes of depigmentation.