Distal myopathy, Welander type

Distal myopathy, Welander type

Definition

Welander distal myopathy (WDM) is a distal myopathy, characterized by weakness in the distal upper extremities, usually finger and wrist extensors which later progresses to all hand muscles and distal lower extremity, primarily in toe and ankle extensors.

Also known as WDM — per MONDO

Also identified as