
Erythema nodosum L52.0
erythema nodosum. multiple, in places confluent, painful indurated plaques and nodules. occurs about 1 week after the onset of angina tonsillaris.

Atopic dermatitis (overview) L20.-
Eczema atopic (overview): scratched and pyodermized atopic eczema.

Sweet syndrome L98.2
Dermatosis acute febrile: large red, succulent, pressure-dolent, infiltrated, solitary and partly confluent plaques and papules on the lower leg in a 36-year-old female patient. 1 week before the onset of the disease a fever attack with temperatures > 38 °C occurred.

Carcinoma cuniculatum C44.L5
Carcinoma cuniculatum: Advanced verrucous carcinoma of the sole of the foot (here heel region), which has existed in its early stages for >2 years. No significant pain symptoms. No regional lymph node metastases detectable.

Bullosis diabeticorum E14.65
Bullosis diabeticorum: Spontaneously occurring extensive subepithelial blister formation on both lower legs after a banal extensive trauma. Slight burning sensation. No fever. No lymphadenitis. Pemphgoid AK negative.

Urticaria (overview) L50.8
Acute urticaria: acutely occurring, itchy exanthema with roundish, also anular wheals; distinct halo formation.

Squamous cell carcinoma of the skin C44.-
Ulcerated squamous cell carcinoma: cauliflower-like, firm, less pain-sensitive, eroded and ulcerated, weeping nodule, which has been present for > 1 year and is constantly enlarging.

Venous leg ulcer I83.0

Vasculitis leukocytoclastic (non-iga-associated) D69.0; M31.0
Vasculitis leukocytoclastic (non-IgA-associated): multiple, since 1 week existing, on both legs symmetrically localized, irregularly distributed, 0.1-0.2 cm large, confluent in places, symptomless, red, smooth spots (not compressible).

Psoriasis palmaris et plantaris (plaque type) L40.3
Psoriasis palmaris et plantaris (plaque-type chronic inpatient plaquepsoriasis of the sole of the foot with coarse desquamation and painful hare formation. no topical pre-treatment

Hand-foot-mouth disease B08.4
Hand-foot-mouth disease, painful 0.3 cm large erythema, papules, aggregated blisters as well as extensive skin detachment on the toes after previous blister formation.

Erythromelalgia I73.82
Erythromelalgia. seizure-like, painful, hyperemic, reddened and swollen skin of the hands and feet with increased sensitivity to heat. there is burning pain and oedema.

Eosinophilic granulomatosis with polyangiitis M30.1
Churg-Strauss syndrome: encircled central granulomatous regression zone (see histological preparation 1); on the right side the progression zone is outlined (see histological preparation 2).

Skabies B86
Scabies (overview): itchy "rash" all over the body, existing for weeks; see previous figure. findings: disseminated, red scaly papules, partly also linearly arranged. itching at night intensified in bed warmth