Where should the upper and lower field edges be placed for the treatment of metastatic spine cancer?

Name: Where should the upper and lower field edges be placed for the treatment of metastatic spine cancer?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Intervertebral spaces are used as bony landmarks in the determination of upper and lower edges of radiation portals for metastatic bone lesions of the spine as a means of establishing points of reference in the event other vertebrae need to be treated in the future.

Where Should the Upper and Lower Field Edges Be Placed