Dyschromatosis universalis hereditaria: familial case and ultrastructural skin investigation.

Published on Mar 15, 2004in American Journal of Medical Genetics Part A2.20
· DOI :10.1002/ajmg.a.20519
Ulrike A. Nuber17
Estimated H-index: 17
(MPG: Max Planck Society),
Sigrid Tinschert33
Estimated H-index: 33
(MPG: Max Planck Society)
+ 1 AuthorsIngrid Hauber1
Estimated H-index: 1
(Heidelberg University)
We report a familial case of dyschromatosis universalis hereditaria (DUH) which is compatible with an autosomal dominant inheritance. The male proband from Bangladesh presented with randomly distributed hyper- and hypo-pigmented skin lesions of variable shape and size with a mottled appearance. Three additional members of the non-consangineous family are similarly affected. Light and electron microscopy show normal numbers of active melanocytes, but different amounts of fully melanized melanosomes in hyper-pigmented and hypo-pigmented macules. Our findings indicate that DUH is not a disorder of number. It appears to be a disorder of melanosome synthesis rate or in addition melanocyte activity.
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  • Citations (23)
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