SPINE: Spinal Canal and Cord (esp. on Myelography, CT, MRI)

C-57Congenital Syndromes and Bone Dysplasias with a Narrow Spinal Canal - Spinal Stenosis
C-58Wide Spinal Canal (Increased Interpedicular Distance) (See also C-59,C-61)
C-59Intramedullary Lesion (Widening of Spinal Cord) on Myelography, CT, or MRI
C-60Spinal Cord Atrophy
C-61Intradural, Extramedullary Lesion on Myelography, CT, or MRI
C-62Arachnoiditis
C-63Extradural Lesion on Myelography, CT, or MRI
C-64Spinal Block on Myelography, CT, or MRI
C-65Tortuous Filling Defect on Lumbar Myelography