Thepathogenesis of MMD has been associated with several angiogenesis-related factors,such as endothelial colonyforming cells and cytokines, including vascularendothelial growth factor, transforming growth factor beta 1, basic fibroblastgrowth factor, and hepatocyte growth factor(5,15). The gene discussed is TGFB1; the disease is multiminicore myopathy.