CASE 79 History: A 67-year-old man with vascular risk factors suddenly develops low back pain, followed by immediate weakness and sensory disturbance in the bilateral lower extremities. 1. What should be included in the differential diagnosis? (Choose all that apply.) d. Meningitis e. Sarcoid 2. The findings are most likely due to involvement of which of the following arteries? 3. Which of the following imaging findings is the most reliable indicator of ischemia of the spinal cord in the acute phase? a. Spinal cord enlargement on T1-weighted images b. “Pencil” sign on sagittal T2-weighted images d. “Snake eyes” configuration on axial T2-weighted images 4. Infarction of which of the following structures may be associated with cord infarction?
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