Myotonic dystrophy type 2
Myotonic dystrophy type 2, also known as proximal myotonic myopathy, is a rare autosomal dominant muscular disorder.
Clinical presentation
Myotonia and muscular dysfunction are the most common features of the disease. Other findings such as cardiac conduction defect, posterior subcapsular cataracts and insulin-insensitive type 2 diabetes can also be seen. The disease is only seen in adults.
Radiographic features
MRI
The main findings are subcortical supratentorial white matter lesions especially involving the frontal lobes.
See also
- myotonic dystrophy
- myotonic dystrophy type 1
- myotonic dystrophy type 2