“…Radionuclide imaging is a noninvasive study that has been shown to be valuable in evaluating a number of orthopaedic conditions, 6,8,10,13,20,21 e.g., tumors, fractures, painful conditions, osteonecrosis, osteomyelitis, and septic and aseptic loosening of the prosthetic devices. It is noninvasive and highly sensitive to abnormal bone activity.…”