Journal article

The use of tissue fiducial markers in improving the accuracy of post-prostatectomy radiotherapy

Michael Chao, Huong Ho, Daryl Um Joon, Yee Chan, Sandra Spencer, Michael Ng, Jason Wasiak, Nathan Lawrentschuk, Kevin McMillan, Shomik Sengupta, Aiwin Tan, George Koufogiannis, Margaret Cokelek, Farshad Foroudi, Tristan-Scott Khong, Damien Bolton

RADIATION ONCOLOGY JOURNAL | KOREAN SOC THERAPEUTIC RADIOLOGY & ONCOLOGY | Published : 2019

Abstract

PURPOSE: The aim of this retrospective study was to investigate the use of a radiopaque tissue fiducial marker (TFM) in the treatment of prostate cancer patients who undergo post-prostatectomy radiotherapy (PPRT). TFM safety, its role and benefit in quantifying the set-up uncertainties in patients undergoing PPRT image-guided radiotherapy were assessed. MATERIALS AND METHODS: A total of 45 consecutive PPRT patients underwent transperineal implantation of TFM at the level of vesicourethral anastomosis in the retrovesical tissue prior to intensity-modulated radiotherapy. Prostate bed motion was calculated by measuring the position of the TFM relative to the pelvic bony anatomy on daily cone-be..

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