acrodermatitis chronica atrophicans: 69-year-old woman. for 4 months right lower leg flat livid-red. at the beginning somewhat edematous. not overheated. subjectively symptomless except for slight hyperesthesia lateral foot edge on the right. no improvement by elevation. no tick bite recallable. in the laboratory confirmation of Lyme disease (high titer IgG, low titer IgM). no further manifestations except ACA.
Klippel-Trénaunay syndrome: extensive, bilateral vascular malformation of capillary (naevus flammeus) and venous vessels (varicosis with chronic venous insufficiency - CVI); distinct soft tissue hypertrophy on the left side; no pelvic obliquity!
Lichen planus exanthematicus: since 2 months persistent, itchy, generalized, dense rash with emphasis on the trunk and extremities (face not affected); on the lower legs apparently considerable itching (scratching effects); on the cheek mucosa pinhead-sized whitish papules are found.
Ulcus cruris arteriosum: chronic, slowly progressive, painful, deep ulcer located in the area of the left lateral malleolus, measuring approx. 4.0x4.0 cm. The wound granulation is less than 50% of the wound surface. The periulcerous area is reddened and overheated. The patient suffers from a PAVK of the multi-level type and has been a heavy cigarette smoker for 30 years.
Naevus verrucosus Chronic stationary (existing since birth), 0.1-0.3 cm in size, arranged in a line pattern, firm, brown, rough papules, which are aggregated in the centre to a linear plaque Typical example of a linear cutaneous mosaic!
Drug reaction, fixed: two red, sharply defined, moderately itchy plaques that have existed for a few days. The peripheral areas are lighter in colour, with a tendency to blistering in the centre. Irregular use of headache medication known and added (!).
Necrobiosis lipoidica: Necrobiosis lipoidica, which has existed for several years in previously known diabetes mellitus, scarred healing with atrophy of the skin and subcutaneous fatty tissue.
Haemangioma of the infant. asymptomatic, soft, deep red, rough, rough, flat plaque on the right foot of an infant which grows slowly within the first weeks and months of life. whitish or skin-coloured areas already appear within the not completely homogeneous plaque (beginning regression).
Dermatoliposclerosis in a known chronic venous insufficiency with superimposed erysipelas, which is indicated by the finger-shaped extensions which protrude at the right margin of the picture (lymphangitic spread).
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