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Acquired dural arteriovenous malformations of the lumbar spine: case report
O Yoshino1, H Matsui, N Hirano
1Department of Orthopaedic Surgery, Faculty of Medicine, Toyama Medical and Pharmaceutical University, Sugitani, Japan.
Objective And Importance:
Although dural arteriovenous malformations (AVMs) are considered to be acquired, no conclusive evidence has been obtained. The first case of dural AVMs of the lumbar spine that showed evidence supporting their being acquired lesions is described.
Clinical Presentation:
A 27-year-old man was admitted to our hospital in November 1994, presenting with increasing pain and numbness in the left buttock to the left lower limb. Myelography and arteriography showed dural AVMs of the lumbar spine. However, the myelogram obtained before surgery for lumbar disc herniation in 1987 provided no findings suggestive of intradural vascular anomalies.
Intervention:
Embolization procedures via the left iliolumbar arteries were performed. However, there was no improvement of the symptoms, and the patient underwent surgical treatment.
Conclusion:
The present report documents a case of dural AVMs of the lumbar spine that showed evidence supporting their being acquired lesions.