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.
Schnitzler syndrome: considerable feeling of illness with recurrent fever attacks, itchy urticarial (here rather discreetly developed) exanthema (exanthema attacks go parallel with the periodic fever); furthermore exhaustion and tiredness.
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
Cumulatively toxic contact dermatitis due to excessive washing of the genital region. improvement after consequent application of a fatty ointment. Fig. takenfrom: Eiko E. Petersen, Colour Atlas of Vulva Diseases, with fresh approval of Kaymogyn GmbH Freiburg.
Naevus araneus: a filigree capillary network, which is sharply set off peripherally from the healthy skin and is radiating around a central vascular nodule.
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.
Psoriasis guttata. 0.1-2.0 cm in size, reddish, rough papules and plaques with fine-lamellar scaling on the trunk and extremities in a 24-year-old woman, acutely and de novo. This was preceded by a feverish streptococcal angina. After the first manifestations had healed, the psoriasis then developed into a chronic, intermittent course over many years.
erythema exsudativum multiforme. suddenly appeared, since 4 days existing, itchy, disseminated exanthema with cocard-like plaques. the skin changes appeared shortly after the beginning of antibiotic therapy for urinary tract infection. here the finding on the back of the hand. s. isomorphism (koebner phenomenon).
Scabies granulomatosa, highly itchy (especially at night), solitary papules and nodules on the lower back and buttocks of an 85-year-old female patient.
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