Chondromalacia of the Patella Bone Imaging Correlated with Arthroscopic Findings

Suprapatellar bursitis presenting as unilateral “Hot” patella sign on 99mTc-methylene diphosphonate skeletal scintigraphy

“…Various other causes of “hot” patella sign include fracture, chondromalacia patellae, malignancy, Paget's disease, osteomyelitis, and patellofemoral arthritis following total knee replacement. [ 2 3 4 ] Chondromalacia patellae often presents as bilateral “hot” patella sign compared to other causes. [ 3 ] Patella bone can be site of primary bone tumor apart from metastatic spread from various cancers such as the breast, lung, kidney, esophagus, and cervix along with its involvement in multiple myeloma.…”