A solitary 8.5 x 10 x 14mm (AP x LR x CC) marginally hyperattenuative well circumscribed lesion in the dorsal aspect of the spinal canal at the level of C2. Within the limits of this examination, the lesion appears to be intramedullary, causing slight anterior displacement of the spinal cord at this level. No hydrocephalus. Well circumscribed CSF density region superior to the lesion, within the spinal canal may reflect a prominent syrinx.