X-linked myotubular myopathy
| X-linked myotubular myopathy | |
|---|---|
| Other names | XLMTM |
| This condition is inherited in an X-linked recessive manner. | |
X-linked myotubular myopathy (MTM) is a form of centronuclear myopathy (CNM) associated with mutations in the myotubularin 1 gene. It is found almost always in male infants. It is one of the severest congenital muscle diseases and is characterized by marked muscle weakness, hypotonia and feeding and breathing difficulties.