" /> Hyaline body myopathy - CISMeF





Preferred Label : Hyaline body myopathy;

ICD-11 definition : Hyaline body myopathy is a rare congenital myopathy that manifests with subsarcolemmal hyalinized bodies in type 1 fibers. Ultrastructurally, hyalinized bodies in muscle biopsy samples appear to consist of fine filamentous or granular material and not to have a surrounding membrane. The neighbouring myofibrils were normal, with no sign of degeneration. The clinical findings are diverse, with either scapulo-peroneal weakness or limb girdle weakness. The age of onset in the patients reported varied from early childhood to the fifth decade of life.;

ICD-11 synonym : Myopathy with lysis of type 1 myofibrils;

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Hyaline body myopathy is a rare congenital myopathy that manifests with subsarcolemmal hyalinized bodies in type 1 fibers. Ultrastructurally, hyalinized bodies in muscle biopsy samples appear to consist of fine filamentous or granular material and not to have a surrounding membrane. The neighbouring myofibrils were normal, with no sign of degeneration. The clinical findings are diverse, with either scapulo-peroneal weakness or limb girdle weakness. The age of onset in the patients reported varied from early childhood to the fifth decade of life.

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05/05/2025


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