CASE 129 History: A 37-year-old man presents with left upper back pain and scapular pain. The patient had surgery for resection of a cystic lesion involving T1 1 year prior. 1. What should be included in the differential diagnosis? (Choose all that apply.) e. Telangiectatic osteosarcoma 2. Which finding is highly suggestive of the diagnosis of ABC but is not pathognomonic? c. Multiple cystic loculations 3. Secondary ABC can be associated with all of the following tumors except: 4. Which part of the vertebra is most commonly involved with both osteoblastoma and ABC?
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