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Spinal cord compression: criteria �
no CSF seen around cord, narrowed AP diameter of cord (<7mm), deformity of cord;
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Spinal cord compression: causes �
infection (TB, pyogenic), compression fracture (CA, trauma), spondylosis and disk disease (herniated nucleus, hypertrophy of ligaments, osteophyte, facet hypertrophy), primary bone disorders (Paget�s), epidural hematoma
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Intramedullary lesions:
astrocytoma (#1), ependymoma (#2), hemangioblastoma, lymphoma, mets (rare), demyelinating disease/myelitis, syrinx, AVM, trauma (contusion), radiation, sarcoid, infection (rare), infarction
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Intradural extramedullary lesions:
nerve sheath tumor (#1), meningioma, drop mets, lipoma, teratomatous lesion, arachnoid cyst, arachnoiditis/meningitis, AVM/AVF, ependymoma, sequestered disc fragment, lymphoma, sarcoid, pantopaque
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Extradural lesions:
disc disease, mets, lymphoma, epidural abscess, epidural hematoma, lipomatosis (thoracic), synovial cyst, extramedullary hematopoiesis, Tarlov cyst, discitis/osteomyelitis, spondylolysis, RA
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Syrinx: primary �
Chiari malformations, spinal dysraphism, DW, diastematomyelia;
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Syrinx: acquired �
tumor (astrocytoma, ependymoma), trauma (spinal cord injury, vascular insult), inflammatory (arachnoiditis/meningitis, SAH)
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