Effect of CT-based treatment planning on portal field size and outcome in radiation treatment of localized prostate cancer.
retrospective_cohort · Level III
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Abstract
The portal field sizes of 361 consecutive patients treated with curative radiotherapy for localized prostate cancer were measured. The introduction of CT-based information resulted in a significant increase of field sizes, leading to an almost doubling of the treated volume, some increase in late rectal toxicity, but also in local control.
Medical subject headings
- Prostatic Neoplasms
- Radiotherapy Planning, Computer-Assisted
- Radiotherapy, High-Energy
- Tomography, X-Ray Computed