CASE 108 History: A 35-year-old man presents with severe back pain and right posterior thigh and buttock pain. 1. Which of the following should be included in the differential diagnosis for the imaging findings presented? (Choose all that apply.) d. Leak of contrast material into the epidural space e. Vertebral body compression fracture 2. What is the main use for diskography? b. To evaluate for cord compression c. To better delineate disk morphology d. To determine which disk level, if any, is responsible for a patient’s neurologic symptoms 3. Which of the following is the most common serious complication of lumbar diskography? b. Diskitis 4. According to the Modified Dallas Discogram classification system, extension of contrast material to the outer third of the annulus, as seen on an axial CT image, constitutes what grade? a. Grade II
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