CASE 87 History: A 70-year-old man presents with back pain. 1. What should be included in the differential diagnosis? (Choose all that apply.) a. Dermoid b. Meningioma d. Iophendylate (Pantopaque) collection e. Lipoma 2. Which of the following materials would not manifest with hyperintense signal on T1-weighted images? a. Hemosiderin b. Melanin 3. Which of the following is the most common complication associated with residual Pantopaque? b. Increased incidence of cord tumors
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