Table 1.

Ultrasound of Patients with Known or Suspected Myopathy

Type of Myopathy	# of Patients with Abnormal Ultrasound/Total (%)
Acid maltase disease	10/10 (100)
Immune myopathy/Myositis	19/23 (83)
Limb girdle/facioscapulohumeral muscular dystrophy	17/18 (94)
Myalgia, cramps, idiopathic elevated creatine kinase	4/9 (44)
Metabolic/Mitochondrial	3/7 (42)
Inclusion body Myositis (hereditary and idiopathic)	6/7 (85)
Congenital Muscular Dystrophy	5/5 (100)
Becker Muscular Dystrophy	2/2 (100)
Other Myopathy	8/11 (72)