CASE 135 History: A 47-year-old man presents with a history of increasing back pain for the past 3 years. 1. What should be included in the differential diagnosis? (Choose all that apply.) a. Pyogenic diskitis osteomyelitis c. Modic type I degenerative changes d. Tuberculous spondylodiskitis 2. Imaging features of Andersson lesion include all of the following except: b. Destruction of vertebral end-plate d. Large prevertebral fluid collection 3. Which of the following statements regarding Romanus lesions is false? a. Romanus lesions are focal destructive areas along the margin of the diskovertebral junction. b. Romanus lesions have been described as “shiny corners” on radiographs. c. MRI is less sensitive than radiographs in detecting early Romanus lesions. d. MRI has an important role in assessing the treatment response. 4. All of the following findings support the MRI “corner” sign secondary to ankylosing spondylitis over degenerative corner changes except:
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