Sacral spinal dural arteriovenous fistula: diagnostic pitfalls and treatment challenges. Illustrative case
BACKGROUND Sacral spinal dural arteriovenous fistulas (sDAVFs) are rare and easily missed on imaging, especially when supplied by internal iliac branches. Regional vascular anatomy may complicate endovascular treatment approaches. OBSERVATIONS A 71-year-old man with symptoms suggestive of spinal myelopathy underwent sp...