Minicore Myopathy with External Ophthalmoplegia - CISMeF
Minicore Myopathy with External OphthalmoplegiaNCIt concept
Preferred Label : Minicore Myopathy with External Ophthalmoplegia;
NCIt definition : An autosomal recessive condition caused by mutation(s) in the RYR1 gene, encoding
ryanodine receptor 1. It may be characterized clinically by neonatal hypotonia, delayed
motor development, and generalized muscle weakness, and amyotrophy. Pathologically,
the absence of mitochondria and focal disorganization of the sarcomere appear as minicores
on ATPase staining as a result of focal defects in oxidative activity.;