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5 Cards in this Set

  • Front
  • Back
SPINAL CORD COMPRESSION
Criteria
No CSF seen around the cord (spinal block)
Narrowed AP diameter of cord (< 7 mm)
Deformity of cord

Causes
Infection (TB, pyogenic)
Compression fracture
Malignancy
Trauma
Spondylosis and disk disease
Hemiated nucleus, hypertrophy of ligaments
Osteophyte, facet hypertrophy
Primary bone disorders (Paget's disease)
Other causes
Benign tumors (e.g., angioma, cysts,lipoma)
Epidural hematoma
INTRAMEDULLARY LESIONS
Tumor
Astrocytoma (most common)
Ependymoma (second most common)
Hemangioblastoma
Metastases (rare)
Demyelinating disease myelitis
Syringohydromyelia
Tumor related
Chiari malformation
AVM
Trauma (contusion)
INTRADURAL EXTRAMEDULLARY TUMORS
Nerve sheath tumor (most common)
Neurofibroma
Schwannoma
Meningioma (80% thoracic)
Drop metastases
Lipoma
Teratomatous lesion
Arachnoid cyst
Arachnoiditis/meningitis
AVM/AVF
EXTRADURAL LESIONS
Disk
Metastases
Epidural abscess
Hematoma
Other
Lipomatosis (thoracic)
Synovial cyst
CYSTIC SPINAL LESION (SYRINGOHYDROMYELIA)
Criteria: Syringomyelia: cavity in spinal cord; may or may not communicate with
central canal; for hydromyelia: dilatation of central canal.
Cannot be differentiated
with imaging.
Cause:
Primary
Chiari/malformations
Spinal dysraphism
D W
Diastematomyelia

Acquired
Tumor
Astrocytoma
Ependymoma

Inflammatory
Arachnoiditis /meningitis
SAH

Trauma
Spinal cord injury
Vascular insult