CASE 19 History: A 62-year-old woman with a 3-year history of progressive hand numbness and weakness presents with increased limitation of head rotation, stabbing neck pain, and occipital pain for the past 2 months. 1. What should be included in the differential diagnosis? (Choose all that apply.) a. Calcium pyrophosphate deposition disease c. Chordoma e. Plasmacytoma 2. Which MRI sequence is most helpful in distinguishing between joint effusion and pannus in patients with rheumatoid arthritis of the craniocervical region? b. T2-weighted c. T1-weighted d. T1-weighted with contrast enhancement 3. In which of the following synovium-lined articular capsules and bursae is pannus formation most common in patients with rheumatoid arthritis involving the cervical spine? a. Predental b. Supradental c. Retrodental
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