Xanthomas, eruptive:disseminated, 0.1-0.3 cm large, yellow-brown, flat raised, superficially smooth and shiny, firm papules in dense seeding in a 54-year-old patient with known hyperlipoproteinemia type IV.
Dermatitis, hypereosinophilic: generalized, partly papular, partly plaque-like, considerably itchy exanthema with disseminated, 0.3-1.5 cm large, red, papules which have merged into plaques in the middle of the thigh.
Malasseziafolliculitis: multiple, acute, disseminated, follicle-bound, 0.2-0.6 cm large, inflammatory, red papules and papulopustules; existing for months, immunosuppression.
Scleromyxoedema: Multiple 0.1-0.2 cm large, roundish, non follicular papules with a smooth, shiny surface; their linear arrangement is typical, which is also found in lichen myxödematosus.
Stage IIrosacea (rosacea papulopustulosa) with grouped, inflammatory papules and pustules in the cheek area of a 26-year-old female patient, first manifestation 3 months ago.
Pityriasis lichenoides chronica: a clinical picture with multiple, inflammatory, scaly, excoriated papules that has been present for months and is accompanied by considerable itching; cause unknown.
Xanthogranulom juveniles (sensu strictu). solitary, softly elastic, yellowish, completely painless plaque, composed of surface smooth papules about 01.-0.3 cm in size. 6-month-old female infant. size growth in the first months of life.
eczema atopic in dark skin): here as partial manifestation of a generalized (face, neck, hands, lower leg and back of the foot) intrinsic atopic eczema Chronic brown-grey, blurred, itchy, rough plaques on lichenified skin.
Pityriasis lichenoides chronica: 16-year-old, otherwise healthy patient, with a polymorphic papular exanthema on the trunk and extremities, which has been present for several months and is intermittent. no itching. no other symptoms. the lesions heal with a delicate depigmented scar.
Angiokeratoma corporis diffusum, reflected light microscopy (focus in the navel region of a 41-year-old woman): Subepidermal, irregularly configured, finger-shaped branched red lacunae.
Acne comedonica. numerous comedones on the right shoulder blade of a 17-year-old patient. 3 years ago recurrent papules and pustules in the face as well as comedones in the area shown.
Keratosis follicularis. follicle-bound horny papules on cheeks, eyebrows and extensor sides of the limbs. follicular keratoses in the cheek area are associated with a persistent areal redness (erythema perstans faciei s.dort), which in the area of the eyebrows is associated with the clinical picture of "Ulerythema ophyogenes".
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