Drug exanthema maculo-papular: almost erythrodermic, since a few days existing, strongly itching (and painful; skin is sensitive to touch) maculo-papular exanthema, preceded by a feverish viral infection which was treated with antibiotics and non-steroidal anti-inflammatory drugs.
Circumscribed scleroderma (type Atrophodermia idiopathica et progressiva ): since about 2-3 years first appearing, since then size progressive, large brown, little indurated, non-symptomatic spots in the area of the trunk in a 23-year-old female patient.
Urticaria pigmentosa: General view: about 0.5-1.0 cm large, disseminated, roundish, brownish-red spots. Only when rubbed, the spots redden more strongly with accompanying itching. Increased reddening and itching even in warm showers or baths.
Exanthema subitum. 2-year-old boy with a severe disturbance of the AZ and an acute high fever of 40 °C. Macular exanthema with densely packed red-brown spots of different size and no symptoms.
Erythema dyschromicum perstans. clinical picture existing for months. initially small spots of brown-red with little increase in consistency, later large, steel to slate grey, smooth spots and plaques of the skin. no medication history.
Notalgia paraesthetica:interval-like itching, also burning, blurredly limited hyperpigmentation, known for several months; the itching is answered by prolonged (lustful) rubbing on the edge of the door.
Artifacts. flat erythema with sharp angular border lines, allegedly existing since 1 week in a left-handed woman. rapid healing under bandages (diagnostically almost proving an artificial mechanism). the signal character typical for a genuine dermatosis is missing!
Dermatitis solaris: painful, extensive and painful erythema and blistering, clearly marked on areas exposed to sunlight, following several hours of exposure to the sun.
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