Preferred Label : Welander distal myopathy;
ICD-11 definition : Welander distal myopathy is a distal, slowly progressive myopathy with late onset
(after the age of 40) inherited as an autosomal dominant trait, presenting with clumsiness
in performing fine motor skills with the index finger and thumb followed by progression
to all the finger extensor muscles and atrophy of intrinsic hand muscles. Lower limb
involvement occurs later.;
Origin ID : 1107278535;
Automatic exact mappings (from CISMeF team)
Welander distal myopathy is a distal, slowly progressive myopathy with late onset
(after the age of 40) inherited as an autosomal dominant trait, presenting with clumsiness
in performing fine motor skills with the index finger and thumb followed by progression
to all the finger extensor muscles and atrophy of intrinsic hand muscles. Lower limb
involvement occurs later.
