Department of Nuclear Medicine;
All India Institute of Medical Sciences;
Department of Orthopedics;
All India Institute of Medical Sciences;
Department of Orthopedics;
Fortis Hospital;
Institute of Nuclear Imaging and Molecular Medicine;
Tamilnadu Government Multi Super Specialty Hospital;
Department of Nuclear Medicine;
PGI-MER;
Osteonecrosis; Avascular; necrosis; Bone; scan; Magnetic; resonance; imaging; Photon; emission; computed; tomography; scan; Single; photon; emission; computed; tomography/computed; tomography;