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Influence of volumes of prostate, rectum, and bladder on treatment planning CT on interfraction prostate shifts during ultrasound image-guided IMRT.

Authors
  • 1
  • 1 Department of Radiation Oncology, New York Hospital Queens, Flushing, New York 11355, USA. [email protected]
Type
Published Article
Journal
Medical Physics
0094-2405
Publisher
Wiley Blackwell (John Wiley & Sons)
Publication Date
Volume
36
Issue
12
Pages
5604–5611
Identifiers
PMID: 20095273
Source
Medline
License
Unknown

Abstract

Prostate and rectal volumes, but not bladder volumes, on treatment planning CT influenced prostate position on treatment fractions. Daily image-guided adoptive radiotherapy would be required for patients with distended or empty rectum on planning CT to reduce rectal toxicity in the case of empty rectum and to minimize geometric miss of prostate.

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