Table 2. Characteristics of 105 patients presented with inflammatory lesions on WBMRI.

	Involved body parts						Subcutaneous inflammation	Lesion distribution	severity
	Lower extremity	Pelvis	Lumbar muscle	Chest	Upper extremity	neck	Yes/No	Symmetrical / unsymmetrical	Symmetrica [/ unsymmetrical
DM	80	73	67	62	72	64	52/29	71/10	14/67
PM	24	21	18	18	21	14	5/19	21/3	3/21
Total	104	94	85	80	93	78	57/48	92/13	17/88