
Pyoderma gangraenosum L88
Pyoderma gangraenosum: chronically progressive, painful, large ulcer with circulatory margins and a broad inflammatory rim.

Angiokeratoma circumscriptum D23.L
Angiokeratoma circumscriptum: vascular malformation existing since birth, which has become increasingly prominent in recent years; apart from slight accidental bleeding, no symptoms.

Acrodermatitis chronica atrophicans L90.4
acrodermatitis chronica arophicans. early stage of acrodermatitis chronica atrophicans with still (clearly) recognizable border of the erythema chronicum migrans (proximal thigh). the lower half of the lower leg is clearly more strongly reddened, flat doughy indurated. no painfulness. no painful lymphadenitis. still (!) no atrophy of the surface epithelium detectable.

Granulomatosis with polyangiitis M31.3
Wegener's granulomatosis: ulcer of about 5.0 x 5.0 cm in size localized at the left inner malleolus and extending into the subcutis in a 23-year-old woman. in the ulcerous surroundings there is an erythematous rim measuring about 2.5 cm. the rim of the ulcer is bizarrely configured. the ulcer is extremely dolent and yellowish fibrinous.

Psoriasis (Übersicht) L40.-
Psoriasis of the feet: here partial manifestation in the context of generalised psoriasis.

Contact dermatitis toxic L24.-
Contact dermatitis toxic: Detail enlargement: Severe hyperkeratosis on reddened skin as well as isolated small rhagades and erosions on the left ankle of a 46-year-old patient.

Psoriasis palmaris et plantaris (overview) L40.3

Acrodermatitis chronica atrophicans L90.4
acrodermatitis chronica atrophicans: blurred, livid red, (scaleless) symptomless spots. right upper grandson/hip region. skin somewhat speckily shiny.

Solar dermatitis L55.-
Dermatitis solaris: Large, very painful erythema with beginning blister formation on the back of the foot. 30-year-old patient after several hours of sunbathing in the midday sun.

Tinea cruris B35.8
Tinea cruris: chronic plaque, slightly faded at the centre, accentuated at the edges, large, moderately itchy plaque with interspersed pustules and inflamed papules.

Lichen planus (overview) L43.-
Lichen planus exanthematicus: disseminated sowing of small red papules and confluent plaques.

Lymphedema, type nonne-milroy Q82.0

Hypertrophic Lichen planus L43.81
Lichen planus verrucosus: a hypertrophic lichen planus with pseudoepitheliomatous epithelial hypertrophy and scarring that has been present for several years.

Eosinophilic cellulitis L98.3
Cellulitis eosinophil: acute formation of circumscribed, large, sharply margined plaques, the surface of which may have an orange peel-like texture.

Amyloidosis systemic (overview) E85.9
Amyloidosis systemic of the Al type: in relapses, more prominent after physical exertion, completely asymptomatic, permanently persistent purpura on both lower legs in a 65-year-old. Known plasmocytoma.

Nummular dermatitis L30.0
Nummulardermatitis (nummular/microbial eczema): Chronically active, 8-week-old, approx. 6 cm large, brownish, raised, partly eroded, partly crusty plaque on the back of the foot in a 54-year-old man. The surrounding skin is reddened.