Tumor localization and treatment planning with ultrasound

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Abstract
The successful management of cancer with high energy radiation requires precise knowledge of the tumor position relative to the body surface and normal organs. Diagnostic ultrasound assists in determining the size and location of tumors and vital normal structures in patients undergoing radiation therapy. Radiation fields can be established dynamically under direct ultrasound imaging, and anatomical information about the tumor, normal organs, and body contour utilized in dosimetry calculations. Diagnostic ultrasound is a safe, noninvasive technique of acquiring anatomical information that cannot be obtained by other routine diagnostic methods. Its application in clinical radiation therapy planning has the potential of improving cure rates and decreasing complication rates.

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