CASE 145 History: A 28-year-old woman presents with back pain and lower extremity pain. 1. What should be included in the differential diagnosis? (Choose all that apply.) b. Lymphoma d. Chordoma 2. What percentage of spinal chordomas originates in the lumbar vertebrae? a. 6% b. 15% c. 35% d. 50% 3. What finding on MRI suggests the diagnosis? a. Hypointense signal on T1-weighted images b. Hyperintense signal with multiple hypointense septa on T2-weighted images d. Heterogeneous signal on T2-weighted images
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