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Minimally invasive surgery has been increased worldwide. We experienced with a case of an iatrogenic popliteal arteriovenous fistula after endoscopic knee surgery.
A 70-yeay old ma underwent endoscopic resection of a Baker cyst in the left knee joint. The left leg swelling suddenly occurred seven days after the surgery. Computed tomographic study of the legs confirmed the diagnosis, and he successfully underwent repair surgery of the fistula and aneurysm.
Iatrogenic vascular injuries can include hemorrhage, aneurysmal formation, and arteriovenous fistula. Also, injury-related masses may cause compression in adjacent organs such as nerves and muscles, and arteriovenous drainage has a possible risk of limb congestion with or without congestive heart failure. This rare complication of an arteriovenous fistula should be considered when sudden leg swelling is encountered after surgery.