Condition	Characteristics
Amyloidosis	Heterogeneous; muscle pseudohypertrophy is rare
Duchenne's muscular dystrophy	Calf pseudohypertrophy is typical
Hypothyroidism	Myalgia without muscular hypertrophy
Inclusion body myositis	Muscular hypertrophy is present, but not in the pelvic or scapular girdle
Polymyositis	Myalgia without muscular hypertrophy