
Necrobiosis lipoidica L92.1
Necrobiosis lipoidica: Overview of the left thigh: Approx. 3 cm large, slightly elevated, erythematous plaque without ulcerations.

Tinea pedis (overview) B35.30
Tinea pedum (moccasin type). general view: For about 13 years non-healing redness and scaling, partly with severe itching, in the area of the right foot in a 30-year-old female patient. sharply defined, marginal scaling erythema, pustular formation, swelling of the foot with limited walking ability.

Tinea pedis (overview) B35.30
Tinea pedum, detail enlargement: Sharply defined, marginal scaly erythema, pustular formation, scaly seam along the edge of the foot and multiple scratch excoriations, some of which are crusty.

Gaiter ulcer I83.0
gaiter ulcer. large, yellowish ulcer in the calf area in a 61-year-old female patient with lymphedema persisting for 25 years. after skin transplantation approx. 1.5 years ago, since then severe oozing and pain. distinct reddening of the periulcerous area. massive pain in the ulcerous area, indentable oedema.

Tinea pedis (overview) B35.30
Tinea pedum. general view: Persistent redness and scaling, partly with severe itching, in the area of the left foot in a 30-year-old female patient, which has not healed for about 13 years. sharply defined, marginal scaling erythema, pustular formation.

Varicella B01.9
Varicella: generalized exanthema (aspects of erythema multiforme) with coexistence of larger and smaller papules, vesicles, plaques.

Lymphomatoids papulose C86.6
Lymphomatoid papulosis: intermittent, painless, papules and nodules with central necrosis and crust formation (nodules above).

Leg ulcer L97.x0
Ulcer cruris: Painful ulcer extending to the muscle fascia, with sharp edges and painful ulcer in necrobiosis lipoidica; bizarre vascular ectasia due to the atrophying underlying disease.

Purpura pigmentosa progressive L81.7
Purpura pigmentosa progressiva. incident light microscopy, blurred, yellow-brownish spots (star), in addition to punctiform, fresh bleeding (horizontal arrow) also older brown-reddish spots already in decomposition (vertical arrow). line pattern: traced skin line pattern of the skin of the lower leg

Fasciitis necrotizing M72.6
Fasciitis, necrotizing. foot of a 53-year-old patient. after a banal traumatic injury to the inner ankle, a fulminant, highly painful, doughy swelling developed within 3 days with diffuse redness of the entire lower leg. extensive necrosis of the skin of the inner ankle and over the edge of the tibia. fluctuating swelling in the middle of the lower leg. here incision with evacuation of about 50 ml of purulent secretion.

Nodular vasculitis A18.4
erythema induratum. solitary, chronically stationary, 4.0 x 3.0 cm in size, only imperceptibly growing, firm, moderately painful, reddish-brown, flatly raised, rough, scaly nodules with a deep-seated part (iceberg phenomenon). intermediate painful ulcer formation (Fig). no evidence of mycobacteriosis.

Erythema migrans A69.2
Erythema migrans: about 2-3 months old with slow peripheral expansion; painless, non-itching, circular erythema which is well distinguishable from normal skin; the bite is still centrally visible.

Eosinophilic cellulitis L98.3
Cellulitis eosinophil: acute formation of circumscribed, large, sharply margined plaques The surface of the plaques may have an orange peel-like texture (see following figure)

Acrodermatitis chronica atrophicans L90.4
Acrodermatitis chronica atrophicans: Initially flat, oedematous, livid red plaques; beginning transition to pronounced, flaccid atrophy with typical wrinkling of the skin (cigarette-paper phenomenon) and clearly translucent vein networks.

Purpura senilis D69.2

Small vessel vasculitis, cutaneous L95.5
Vasculitis of small vessels. leukocytoclastic vasculitis (non-IgA-associated vasculitis)

Malum perforans L98.4
Malum perforans: Sharply defined, sparsely documented ulcer in the area of the sole of the foot in the presence of polyneuropathy and microangiopathy in long-term known diabetes mellitus.

Vasculitis leukocytoclastic (non-iga-associated) D69.0; M31.0
Vasculitis leukocytoclastic (non-IgA-associated): small spotted vasculitis of both lower legs; multiple red spots (redness cannot be suppressed).