Inclusion body myositis
ORPHA:611· ICD-10 M60.8
Definition
A rare degenerative inflammatory disorder of skeletal muscles characterized by late onset weakness, starting in either the quadriceps or finger flexors and slowly progressing to include other groups of limb muscles. Distinctive histopathological features include inflammatory and degenerative features.
- Prevalence
- 1-9 / 1 000 000
- Inheritance
- Not applicable
- Age of onset
- Adult, Elderly