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Chirurgia 2008 October;21(5):277-9

language: English

Tibial pseudoaneurysm without a distinct history of trauma

Shindo S., Katsu M., Kaga S., Inoue H., Ogata K., Matsumoto M.

Second Department of Surgery, Faculty of Medicine University of Yamanashi, Yamanashi, Japan


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Pseudoaneurysm infrequently occurs in association with trauma such as bone fracture. Here we report a case of “spontaneous pseudoaneurysm” in the calf without a distinct history of injury. A 74-year-old woman noted an abnormal mass in the popliteal fossa. Examination revealed a large pseudoaneurysm originating from the posterior tibial artery. The aneurysm was treated surgically with safety by using tourniquet occlusion technique. The operative and pathologic findings supported the diagnosis of the pseudoaneurysm. However, anamnesis revealed no distinct history of trauma apart from the fact that the patient reported missing her footing on the stairs several times. Strong torsion of a small artery by muscular contraction could form pseudoaneurysm without a distinct history of trauma. Here the etiology as well as the treatment of the case with vascular techniques are discussed.

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