Description : Spheroid body myopathy is a form of myofibrillar myopathy (MFM). Myofibrillar myopathy
refers to a genetically heterogeneous group of muscular disorders characterized by
a pathologic morphologic pattern of myofibrillar degradation and abnormal accumulation
of proteins involved with the sarcomeric Z disc (Foroud et al., 2005). For a general
phenotypic description and a discussion of genetic heterogeneity of myofibrillar myopathy,
see MFM1 (601419).;
Inheritance : Autosomal dominant;
Molecular basis : Caused by mutation in the myotilin gene (TTID, 604103.0006);