Lower extremity weakness, elevated CPK Exam is limited by poor fat suppression artifact due to patient's size.There is mildly increased T2/STIR signal scattered throughout the posterior musculature of the thigh. There is no abnormal fluid collection identified.The underlying bone marrow signal is normal. There is no osseous abnormality.
Mild diffuse edema on the posterior musculature of the thigh consistent with a component of mild myositis.