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History: A 26-year-old man presents with a 7-month history of left-sided lower back pain.

1. What should be included in the differential diagnosis? (Choose all that apply.)

a. Giant cell tumor

c. Osteoid osteoma

d. Osteoblastoma

e. Osteosarcoma

2. What is the distribution of occurrence along the spinal axis?

a. Cervical spine

b. Thoracic spine

c. Lumbosacral spine

d. Equal throughout the spine

3. Which of the following statements regarding osteoblastoma and osteoid osteoma is true?

a. Reactive bone changes are more common in osteoblastoma than in osteoid osteoma.

b. Spinal lesions causing painful scoliosis are more common with osteoblastomas than with osteoid osteomas.

c. The nidus of an osteoblastoma is smaller than the nidus of an osteoid osteoma.

d. In contrast to the pain associated with osteoid osteoma, the pain of an osteoblastoma is usually less intense, is usually not worse at night, and is not relieved readily with salicylates.

4. Which finding is used to differentiate osteoid osteoma from osteoblastoma?

a. Size of the lesion

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Tags: Spine Imaging Case Review Series

Feb 14, 2016 | Posted by admin in MUSCULOSKELETAL IMAGING | Comments Off

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