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CMS II Ortho- Tumors
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a bone scan evaluates _______ bone involvement of the skeleton and is very ______ but not ______
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occult; sensitive; specific
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ksuar14
Terms in this set (89)
a bone scan evaluates _______ bone involvement of the skeleton and is very ______ but not ______
occult; sensitive; specific
general imaging options for orthopedic tumors
1. 2-plane XR
2. bone scan
3. MRI
4. CT scan
5. PET scan
6. CXR (for mets)
imaging study of choice to determine benign vs. malignant soft tissue tumors
MRI*
benign fibrous tissue tumor that is slow-growing and painless, located in the mass of hands/feet and recurs after local resection 50% of the time
calcifying aponeurotic fibroma
3 types of benign fibrous tissue tumors
1. calcifying aponeurotic fibroma
2. fibromatosis
3. nodular fasciitis
common reactive lesion that is panful and is common in pts age 15-35
nodular fasciitis
3 types of malignant fibrous tissue tumors
1. fibrous histiocytoma
2. fibrosarcoma
3. dermatofibrosarcoma protuberans
rare, low grade fibrous tissue tumor that rarely metastasizes but has a tendency to recur locally
dermatofibrosarcoma protuberans
firm nodules of fibroblasts and collagen producing contractures
palmar & plantar fibromatosis
enlarging painless mass that grows faster/more painful and is treated with wide margin excision and postoperative external beam radiation
malignant fibrous histiocytoma and fibrosarcoma
