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MRI demonstrating conus medullaris edema and enlarged perimedullary and infraconal vessels. MRA MIP depicted the feeding artery of the lesion to derive from the eighth thorasic level (T8) on the left side. Localization of the shunt is at dural level.
Lumbar spine MRI shows appearance of a spinal dural arteriovenous malformation. Progressive myelopathy from venous congestion/hypertension of dural AVM due to delayed diagnosis, leading to Foix-Alajouanine syndrome.