type I neurofibromatosis, peripheral type or classic cutaneous form. numerous smaller and larger soft papules and nodules. several so-called café-au-lait spots.
Varicella: generalized exanthema (aspects of erythema multiforme) with juxtaposition of larger and smaller papules, vesicles, plaques, and sometimes linear arrangement of lesions.
Lichen myxoedematosus: Densely standing, skin-colored, also light-glassy appearing, clearly increased in consistency, only slightly itchy, shiny, 0.1-0.2 cm large (not follicular - do not notice any relation to the follicles demonstrably) nodules (border area); clear linear arrangement of the nodules.
Urticaria pigmentosa: general view: about 0.5-1.0cm large, disseminated, oval or round, brownish-red spots. only when rubbed, increased redness of the spots with accompanying itching. also in warm showers or baths increased redness and clearly palpable elevation of the lesions.
Pityriasis rosea: typical exanthema of bright red papules and flat plaques on the trunk and proximal extremities, some with typical Collerette scaling. there is little itching. duration of existence at first presentation 2 weeks. pat male, 29 yrs.
Addison's disease: homogeneous hyperpigmentation of the back in a 35-year-old man; especially accentuated on the lateral parts of the back and in the lumbar region. The patient made a statement typical for Addison's disease: "Last summer's suntan did not recede as usual" The transverse light stripes of the lumbar region correspond in appearance to striae cutis distensae.
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