CASE 20 History: A 70-year-old woman presents with neck pain, Lhermitte’s sign, and upper extremity numbness. 1. What should be included in the differential diagnosis? (Choose all that apply.) c. Trauma 2. Which of the following types of subluxation or dislocation at the C1-2 level is most common in patients with rheumatoid arthritis? a. Anterior b. Posterior c. Lateral d. Vertical 3. Which of the following is an abnormal atlantodental interval in an adult?
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