Papillomatosis confluens et reticularis. years ago, initially dark discolouration in the neck area of a 31-year-old patient, followed by systemic antimycotic therapy without improvement. current presentation in case of worsening of the findings with axillary spread.findings: multiple, chronically stationary, perimamillary papules located on the left side, disseminated, blurred, brown, rough, finely lamellar scaling papules, which aggregate to a flat plaque. the stripy reticular pattern of the plaque is clearly visible.
Dermatitis medusica: Acute, linear, itchy and burning (also painful) plaque, as well as disseminated, papules and vesicles, appearing on the thigh of a 32-year-old woman about 6 hours after contact with a fire jellyfish (Baltic Sea); the stripe pattern is evidence of exogenous triggering.
Molluscum contagiosum: Detailed enlargement: disseminated, 0.1-0.7 cm in size, firm, coarse, waxy, broadly seated, smooth, red papules, which are centrally dented on closer examination; sometimes itching; psoriatic suberythroderma.
larva migrans. overview image of a duct-like linear, itchy structure. the changes have existed for several weeks. 7 days ago return from a tropical beach vacation.
Acanthosis nigricans benigna: Mostly symmetrical blackish-brown hyperpigmentations with velvety, partly also verrucous plaques. Blurred demarcation to the surroundings. No detectable underlying disease.
Basal cell carcinoma superficial: slowly growing, symptomless red plaque with a slightly marginalized structure and central crustal formations that has existed for several years.
Malasseziafolliculitis: multiple, acute, disseminated, follicle-bound, 0.2-0.6 cm large, inflammatory, red papules and papulopustules; existing for months, immunosuppression.
Toxic epidermal necrolysis. detailed picture: The 67-year-old female patient developed multiple, acute, disseminated, sharply demarcated, partly confluent, soft, skin-coloured blisters on a flat erythema on the entire integument within a few days. In case of persistent fever, antibiotic therapy was initiated.
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