Erythrokeratodermia figurata variabilis. very irregularly distributed, bizarrely configured, polycyclic, scaly plaques with alternating clinical expressivity and acuteness as well as very characteristic peripheral scaly ruffs (buttocks) in a 6-year-old boy. few symptomatic skin lesions existing since 2 years.
psoriasis palmaris et plantaris. hyperkeratotic changes in a 50-year-old office worker, existing for 5-6 years. painful rhaghades persisting for weeks at the edge of the heel, especially after jogging. never blisters or pustules. the inflammatory fringe at the edge of the keratosis is typical (but not proving) for psoriasis. clinical diagnosis "psoriasis plantaris" from this (mono)finding difficult. securing the diagnosis by clinical evidence of psoriasis at the contralateral heel, elbows and palms.
Psoriasis seborrhoeic type: for several months constant and therapy-resistant, only slightly elevated, homogeneously filled, symmetrical, red-yellow, slightly accentuated plaques, no type I allergies detectable.
Eczema, atopic. brownish, dry, scaly plaques on lichenified ground in the neck area of a 24-year-old female patient. infestation of the large joint bends as well as seizure-like, tormenting itching.
Acne keloidalis nuchae syn. folliculitissclerotisans nuchae: Survey picture: Since 6 years existing, rough, flat keloids occipitally in a 37-year-old colored patient of North African origin. the disease started about 10 years ago with small folliculitis. condition after several operative therapy attempts and after laser therapy about 2 years ago.
Psoriasis seborrhoeic type: Chronic recurrent, sharply defined red spots and plaques, which are localized in the chest area of a 70-year-old man and run along the anterior sweat channel.
Differential diagnosis "candidiasis intertriginous" : present psoriasis intertriginosa: infection-related acute relapsing activity of a long term known psoriasis vulgaris.
transient acantholytic dermatosis. detail enlargement from previous overview. initial papules, about 1-2 mm in size, deep red with slightly eroded, occasionally scaly surface, characterize the picture. in addition, older plaques (top right) resulting from confluent papules with slight marginal scaling are visible. the nikolski phenomenon is negative.
Eczema atopic in childhood: impetiginized (detection of Staphylococcus aureus) chronic auricular rash in an 8-year-old boy with previously known atopic eczema; furthermore: seasonal atopic rhinitis and conjunctivitis.
Lichen planus (classic type): pronounced infestation of the palms. infestation of the palms by confluence of papules and plaques. the nodular structure is especially visible in the peripheral areas.
Paget, M. of the nipple. unilateral, symptom-free, therapy-resistant, red, painless, slowly growing plaque of the nipple existing for several months. In the meantime, extensive infiltration of the skin beyond the areola. Previously, there was an erythema of the nipple which did not heal under an anti-eczematous therapy.
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