Bilateral simultaneous fractures of the patellae were first documented in the literature in the early 19th century, and they remain uncommon today. The patella is the largest sesamoid bone in the body and plays an important role in the knee extensor mechanism. Isolated bilateral patellar fractures following trauma are exceedingly rare (2-3% of all patellar fractures) and most commonly occur with dashboard injuries or various pathological disorders. We report a case of a 43-year-old healthy African male who presented with bilateral simultaneous extensor mechanism disruption following knee trauma. Bilateral open reduction and internal fixation were performed. Postoperatively, the patient was immobilised and discharged in a wheelchair, and attained union without complications. He was routinely observed, demonstrating a fair recovery of range of motion. Extensor mechanism disruption includes a vast differential diagnosis, with a thorough history, examination, and investigations being key elements in confirming a diagnosis. In adults, these injuries often do not result in excellent outcomes.
Nkosi et al. (Tue,) studied this question.