Tags: Disease.
Inclusion body myositis (IBM) is an inflammatory muscle disease characterized by slowly progressive weakness and wasting of both distal and proximal muscles most apparent in the muscles of the arms and legs. There are two types: sporadic inclusion body myositis (sIBM) and hereditary inclusion body myopathy (hIBM).In sporadic inclusion body myositis [MY-oh-sigh-tis] muscle two processes one autoimmune and the other degenerative appear to occur in the muscle cells in parallel.