Abstract
Aneurysms of the deep femoral artery are very rare because of their anatomical features and the characteristics of the arterial wall. Most patients with a deep femoral artery aneurysm have few symptoms until it expands, and once this happens rapid enlargement is noted. They have a high rate of rupture in comparison with other peripheral arterial aneurysms, local pressure symptoms caused by the aneurysm could precipitate nerve and vein compression and thrombosis in some cases. We report a deep femoral artery aneurysm with a diameter of 100 mm. A 72-year-old man was admitted with swelling of the right lower limb. His symptom began 6 months previously. However, the swelling had recently enlarged rapidly, with pain. Enhanced computed tomography showed a ruptured deep femoral artery aneurysm, measuring approximately 100 mm. We diagnosed ruptured deep femoral artery aneurysm, and performed an urgent operation. A preoperative imaging study showed no ischemic site, so we performed only resection of the aneurysm and no re-vascularization of the deep femoral artery. The postoperative course was good, with no ischemic change of the lower limb.
