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The answer is c.
Spinal abscesses are most commonly found in immunocompromised patients, IV drug users, and the elderly. Signs and symptoms of epidural abscess usually develop over a week or two and include fever, localized pain, and progressive weakness. An elevated WBC count is also commonly seen. MRI is the most useful diagnostic test. Staphylococcus aureus is the most common causative organism, followed by gram-negative bacilli and tuberculosis bacillus.
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