Xanthomas, eruptive: 0.1-0.3 cm in size, yellow-brown, flat raised, superficially smooth and shiny, disseminated, clearly consistent papules in dense seeding in a 45-year-old patient with known hyperlipoproteinemia type IV. Seeding increasing since 6 months preferably on trunk and back. Clinic is typical, histology is diagnostic.
Purpura pigmentosa progressiva: aetiologically unexplained (medication?) pronounced clinical picture that has been changing for several months with symmetrically distributed, disseminated, non-itching, yellow-brown, spots (detailed picture).
Dorsal cyst, mucoid: painless, approximately 1.0 cm large, skin-coloured, plumply elastic, surface-smooth "nodule" (cyst) which has existed for about 1 year and from which a gelatinous substance has emptied itself (crust-covered part) under pressure, whereby the whole nodule has disappeared.
Lymphomatoid papulosis. 64-year-old patient with a history of 15 years. recurrent, intermittent course with formation of 4-10 painless nodules, which grow to the size shown here within a few days. rapid central ulceration. healing within 8-10 weeks leaving a sunken scar. recurrent secondary infections of the ulcerated nodules. previously known non-Hodgkin lymphoma in full remission.
Dermatomyositis. Gottron papules in a 72-year-old woman. Smaller, striated, reddish-livid papules appear, which confluent in the region of the end phalanges to form flat plaques. Strongly pronounced nail fold capillaries on dig. III and V. The Keining sign was strongly positive in the clinical examination.
Urticaria pigmentosa: general view: about 0.5-1.0cm large, disseminated, oval or round, brownish-red spots. only when rubbed, increased redness of the spots with accompanying itching. also in warm showers or baths increased redness and clearly palpable elevation of the lesions.
Infantile acrolocalized papulo-vesicular syndrome: Papulo-vesicular exanthema with environmental erythema of the upper extremity in an 8-month-old boy.
Pityriasis rosea: typical exanthema of bright red papules and flat plaques on the trunk and proximal extremities, some with typical Collerette scaling. there is little itching. duration of existence at first presentation 2 weeks. pat male, 29 yrs.
Basal cell carcinoma, cystic. 0.6 cm in diameter, slowly growing for several months, elastic, soft, glassy nodule with peripheral telangiectasia. 65-year-old woman.
Klippel-Trénaunay syndrome: extensive vascular malformation with extensive nevus flammeus affecting the trunk and both arms. So far no evidence of soft tissue hypertrophy. No AV fistulas.
erysipelas. extensive redness and swelling of the left foot in a 71-year-old man. on the left back of the foot there is a sharply limited overheated erythema with flame-like runners of 15 x 15 cm in size. the back of the foot is circumferentially enlarged and painful. secondary findings are the palpation of single, enlarged, pressure-dolent lymph nodes in the corresponding lymph drainage area of the groin region.
Foot infection, gram-negative. detailed view: clearly visible are the laminar substance defects and the white, purulent and crusty macerations on the backs of the toes and on the forefoot. furthermore, multiple, smooth, round or oval, firm, brownish papules in the sense of a chronic stasis dermatitis are visible on the back of the foot.
Erythronychia, localized longitudinal. idiopathic, solitary, painless, red longitudinal striation of the left thumbnail plate with a low-grade, V-shaped retraction and splinter hemorrhage in a 29-year-old female patient.
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