CASE 57 History: A 66-year-old man presents with back pain and lower extremity numbness. 1. What should be included in the differential diagnosis? (Choose all that apply.) a. Lipoma b. Meningioma c. Angiolipoma d. Spinal epidural lipomatosis (SEL) e. Lymphoma 2. What finding on axial images has been described as pathognomonic of this abnormality when it involves the lumbar spine? a. “Y” sign 3. Which of the following statements regarding SEL is true? a. Involvement of the cervical spine is rare. b. Idiopathic SEL typically favors the thoracic spine. c. Males are affected more than females. 4. Which of the following is not a cause of SEL?
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