 The spine is in normal alignment. The vertebral body and disk heights are well-maintained. No worrisome focal marrow signal abnormality is appreciated. The spinal cord is of normal caliber and signal. The distal spinal cord and conus are within normal limits with the conus terminating at the L1-L2 level.There is no significant disk bulge, herniation, spinal canal or foraminal stenosis within the spine. There is redemonstration of abnormal caudal extension of the cerebellar tonsils below the level the foramen magnum, measuring approximately 12 mm with significant pointing. There is severe crowding at this level.
Redemonstration of Chiari I malformation. No MR evidence of syrinx.