Hyperpigmentation, postinflammatory. overview image: Chronic stationary, multiple, disseminated or confluent, brown-red or brownish smooth spots on the lower legs of a 26-year-old patient. The spots developed over a longer period of time from brown-red, verrucous plaques that had developed in the context of a lichen planus verrucosus.
melanoma malignes amelanotic: since earliest childhood a pigment mark has been known at this site. continuous growth for several years. for half a year extensive ulceration of the node. constant bleeding and oozing. the diagnosis cannot be made on the basis of the clinical picture.
Dermatoliposclerosis. 64-year-old patient with Z.n. fracture of the distal lower leg after skiing accident 10 years ago and consecutive CVI. For years increasing discoloration and hardening of the distal US third. Extensive hyperpigmentation of the skin with coarse increase in consistency. Flat scaly crusts in the center of the skin change. Small fatty tissue proliferations (piezo nodules) on the heel.
Pyoderma gangraenosum. multiple, chronically progressive, painful, large-area, blue-reddish nodules, partly with polycyclic ulcerations. characteristic is the necrotic ulcer with a painful marginal zone with walllike, undermined margins and dark red, livid erythematous border.
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.
Atrophie blanche. reflected light microscopy (section of a lesion on the lower leg): Atrophic-diluted, transparent epidermis with subepidermal, meander-like tangled vascular convolutes and blood leaks of different ages; whitish opaque, unstructured skin areas (fibrotic connective tissue) are also visible.
Eczema, contact eczema, allergic. 2 days ago, acute, disseminated, itchy, highly inflammatory, red (centrally also haemorrhagic) papules and plaques appeared for the first time in a 52-year-old female patient. The skin changes occurred after application of an ointment containing bufexamac for knee pain.
stasis dermatitis: flat, sharply limited plaque of the entire right lower leg. lipofasciosclerosis in case of a previously known CVI with beginning papillomatosis cutis lymphostatica. condition after leg ulcer. currently distinct exudation, lymphorrhoea as well as secondary bacterial colonization.
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