Delayed-Onset Pseudoaneurysm of the Superior Lateral Genicular Artery Following Total Knee Arthroplasty: A Case Report

Delayed SLGA pseudoaneurysms typically present with nonspecific symptoms like pain, swelling and limited ROM. Diagnosis relies on imaging while surgical ligation proved to be an effective treatment. Pseudoaneurysm should be considered in post-TKA patients with unexplained knee swelling and pain, even months after surgery. Early diagnosis through second level imaging, multidisciplinary collaboration and timely surgical intervention are crucial for preventing complications.