Spinal dural arteriovenous fistula

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Chronic backache.

Patient Data

Age: 30 years
Gender: Male

Numerous serpentine flow void vascular structures of various size with enhancement around the conus medullaris and lower thoracic cord as well as within the thecal sac. The largest flow void structure is located at T12-L1 level (diameter around 17 mm), displacing the conus medullaris to the right. No significant enlargement or edema of the spinal cord.

Case Discussion

MRI features most consistent with a spinal dural arteriovenous fistula.

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