Evaluation and Staging of Bone Tumors — Flashcards

Flashcard 1: Osteosarcomas present as a _____ enlarging mass or pathologic fractures

Answer: painful

Flashcard 2: What is the most common primary malignancy of bone of non-hematological origin?_____

Answer: osteosarcoma>chondrosarcoma>Ewing's

Flashcard 3: If Ewing's sarcoma is suspected on X-ray, the next investigation to be done would be an _____

Answer: MRI

Flashcard 4: GCT in a relatively insignificant bone is treated by resection ________ reconstruction.

Answer: without

Extra: Examples of relatively insignificant (expendable) bones include the proximal fibula and distal ulna. In these locations, wide resection is preferred over curettage to minimize recurrence.

Flashcard 5: The biologic behaviour of chondrosarcoma directly correlates with the _____ of tumor

Answer: grade

Flashcard 6: Ewing sarcoma arises in the _____ of long bones (particularly the femur); other locations include pelvic flat bones, scapula, and ribs

Answer: diaphysis

Flashcard 7: _____ shows eccentric well-lobulated lesions and sclerotic scalloped borders.

Answer: Non-ossifying fibroma

Flashcard 8: Multiple enchondromas when present without hemangiomas is called _____ disease.

Answer: Ollier

Flashcard 9: Osteoid osteoma typically arises in the _____ of the diaphysis of long bones (e.g. femur)

Answer: cortex

Flashcard 10: Osteoid osteoma presents with bone pain that is worse at _____ and DOES resolve with aspirin

Answer: night