Journal of Oncology / 2009 / Article / Fig 1

Review Article

Recent Advances in Image-Guided Radiotherapy for Head and Neck Carcinoma

Figure 1

Example of 2D kV image used for verification of patient positioning. A 2D projection was created from the planning CT, and the bony anatomy was contoured (solid line). This image was then overlapped with a kV image taken immediately prior to treatment delivery. The overlay is shown before (a) and after (b) adjustments are made.

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