Dysferlinopathy
Dysferlinopathies are a group of muscle diseases that have a slow progression of muscle weakness and atrophy (wasting). The diseases in the group are:
- Miyoshi myopathy, where there is weakness and atrophy (wasting)of the muscles of the legs that are closer to the feet (distal myopathy)
- Limb-girdle muscular dystrophy type 2B (LGMD2B), where there is weakness and atrophy of the muscles of the pelvic and shoulder
- Scapuloperoneal syndrome, where weakness and atrophy affect both the distal legs and shoulder girdle muscles
- Distal myopathy with anterior tibial onset, where there is weakness of the front part of the leg and foot drop
- A form of congenital muscular dystrophy that was referred in a few people, and
- A condition where there are not symptoms but only an elevated level of the muscular enzyme CK in the blood tests.