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9 Cards in this Set
- Front
- Back
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Infections versus malignancy: which generally destroys the disk?
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Infection destroys the disk early
Malignancy usually skips the disk |
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Compare with the effect of tuberculosis on the disk.
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Tb skips the disk early, but may involve the disk late
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What are the earliest plain radiographic findings of infection?
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Disk space narrowing at 7to 10 days
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What is the natural history of disk space infection?
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Spontaneous arthrodesis
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What are the two usual treatment for osteomyelitis?
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Intravenous antibiotics
Brace |
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What are the three operative indications?
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Failure of conservative treatment
Progressive neurologic deficit Instability (e.g. fracture) |
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What is the MRI appearance of malignancy on T1 and T2 sequences?
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T1: low
T2: high |
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What are the two negative prognostic factors for infection?
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Increased age
More cephalad involvement |
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what three tumors classically involve the posterior elements?
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ABC (aneurysmal bone cyst)
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