Abdominal aortic aneurysm has among its rare complications the aortocaval fistula. It is observed in less than 1% of all abdominal aortic aneurysms and represents 3%–7% of clinical presentation in case of rupture. A male patient was presented to the emergency department with pulsating mass with continuous vascular systo-diastolic bruit, located in the lower part of abdomen with the back pain radiating anteriorly in lower abdomen. After diagnosis of abdominal aortic aneurysm with aortocaval fistula, a trimodular Endurant endograft was placed. Migration of the endoprosthesis was treated with Endoanchor and endovascular aneurysm sealing device. In the postoperative course, the patient had jaundice due to high bilirubin levels, cholestasis and increased hepatocyte cytolysis: aspartate aminotransferase and alanine aminotransferase. The treatment with appropriate continuous filtration rapidly reduced bilirubin values and the patient gradually improved.
Osteolytic vertebral erosion is usually related to tumours, spondylitis or spondylodiscitis. Few reports in the literature describe lytic lesions of anterior lumbar vertebral bodies resulting from abdominal aortic aneurysm or false aneurysm. We report a case of abdominal aortic false aneurysm that caused lytic lesions of the second and third vertebral bodies in an 80-year-old man who underwent endovascular aneurysm repair. Fluoroscopy guided biopsy excluded infection or tumour. We performed a posterior spinal fusion and decompression because of bone loss of the second and third lumbar vertebral bodies and central stenosis. Postoperatively the patient showed satisfactory relief in low-back and thigh pain but, unfortunately, he died 1 month after surgery because of respiratory complications. This case suggests that when a lytic lesion of a lumbar vertebral body is discovered in a patient who has undergone endovascular aneurysm repair, an abdominal aortic false aneurysm may be the cause of the vertebral erosion even in cases without infective pathogenesis.
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