Thigh pain since 2 months, in MRI scanning its says Multicentric, numerous patchy altered signal intensity lesions, hypointense onT1, hyperintense onT2 and Stir, seen involving Pelvic bones and both femori Size of lesions range between 5mm to 20mm There are also associated Diffuse area of bone Marrow T1 hypointensity, involving Pelvic bones - indicating marrow infiltration Diffuse Marrow T2& STIR hyper intensity seen involving right proximate shafts with surrounding periostitis and tissue edema No evidence of AVN Few bone islands seen at places Rest of the soft tissue, muscles and ligaments of Pelvic appear grossly unremarkable