MediAI

  Subchondral Insufficiency Fracture of the Knee: A Hidden Culprit of Joint Pain in Elderly Women Introduction Knee pain in elderly individuals is often attributed to degenerative joint disease, such as osteoarthritis. However, when the pain is sudden, severe, and worsened by weight-bearing, particularly in older women without significant trauma history, a more elusive diagnosis must be considered: Subchondral Insufficiency Fracture (SIF). In this article, we present a case of SIF in a 66-year-old woman, utilizing multimodal imaging, and provide an in-depth review of its clinical implications, MRI findings, differential diagnosis, treatment options, and prognosis. Case Summary Patient: 66-year-old female Chief complaint: Acute knee pain after minor twisting injury Pain: Sharp, worsened by movement and weight-bearing Imaging: Plain radiographs and MRI Radiographic Findings Subtle sclerosis in the medial femoral condyle No clear fracture line or collapse Mild jo...