Article
Neurofibromatosis type 1 (NF1) with an unusually severe phenotype due to digeny for NF1 and ryanodine receptor 1 associated myopathy.
European journal of pediatrics - 1 Dec 2014
Martin Florence, Kana Veronika, Mori Andrea Capone, Fischer Dirk, Parkin Nicolas, Boltshauser Eugen, Rushing Elisabeth Jane, Klein Andrea
Abstract excerpt
UNLABELLED: We describe a 5-year-old girl with marked hypotonia, poor feeding and reduced facial expression since birth. Congenital myopathy was suspected; muscle biopsy showed unspecific type 1 fibre predominance. The possibility of a ryanodine receptor 1 gene (RYR1)-associated myopathy was cons...
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