Ecchymosis. circumscribed purple-shaped hemorrhage on the chin of a 14-year-old boy. the lesion is caused by the creation of a negative pressure (suction of a glass) on the chin.
erythema chronicum migrans. shown here is a finding about 3 months old. approx. 10 days after (rememberable) puncture, a painless, non-itching circular erythema developed, only moderately well distinguishable from normal skin. 3 months later the doctor was consulted.
Behçet, M.. Since 14 days persistent, approx. 1.8 x 0.8 cm large, aphthous, whitish, smearily covered, strongly painful ulcer on the right labia of a 42-year-old woman.
lupus erythematosus acute-cutaneous: acute symmetrical skin symptoms after sun exposure, which have persisted for 1 week. pat. was previously free of skin symptoms. clear feeling of tension in the skin. laboratory: ANA+; anti dsDNA antibodies neg.; anti-Ro antibodies positive.
angiosarcoma of the head and facial skin. for several years (!) increasing, so far completely asymptomatic, blurred, red spots on cheeks and forehead in a 75-year-old man. medical consultation because of recurrent, extensive bleeding in lesional skin. since one month growth of a soft, 8 mm large, solid blue-black node in the middle of the cheeks. extensive, configured redness with bizarre, linear and reticular telangiectasia. bleeding in the zygomatic bone.
Mastocytosis diffuse of the skin: Disseminated large-area mastocytosis of the skin (type Ia). In addition to the conspicuous yellow-brown spots and plaques, the apparently unaffected skin is slushy thickened, in places also with protruding follicular structures. The occurrence of larger blisters after banal trauma has been reported time and again. No systemic involvement detectable.
Klippel-Trénaunay syndrome: extensive vascular malformation with extensive nevus flammeus affecting the trunk and both arms with distinct soft tissue hypertrophy of the right arm.
DD: Rosacea erythematosa (in this case systemic lupus erythematosus): butterfly-like, symmetrical, variable redness and swelling of both cheek areas, excluding the perioral region.
Angioma serpiginosum. garland-shaped red spots on the upper arm of an 18-year-old woman, existing for several years, completely without symptoms. No mucous membrane infestation.
Spider veins. 35-year-old female patient. The linear erythema (compressible by glass spatula pressure) has been developing increasingly since the second pregnancy two years ago. Linear, red spider vein structure (linear erythema) starting from a ?source point?, which branches off in places to form a net-like formation.
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