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dc.contributor.authorEkkasit Tharavichtikulen_US
dc.contributor.authorPooriwat Meungwongen_US
dc.contributor.authorTaned Chitapanaruxen_US
dc.contributor.authorSomvilai Chakrabandhuen_US
dc.contributor.authorPitchayaponne Klunklinen_US
dc.contributor.authorWimrak Onchanen_US
dc.contributor.authorSomsak Wanwilairaten_US
dc.contributor.authorPatrinee Traisathiten_US
dc.contributor.authorRazvan Galalaeen_US
dc.contributor.authorImjai Chitapanaruxen_US
dc.description.abstractPurpose: To evaluate association between equivalent dose in 2 Gy (EQD2) to rectal point dose and gastrointestinal toxicity from whole pelvic radiotherapy (WPRT) and intracavitary brachytherapy (ICBT) in cervical cancer patients who were evaluated by rectosigmoidoscopy in Faculty of Medicine, Chiang Mai University. Materials and Methods: Retrospective study was designed for the patients with locally advanced cervical cancer, treated by radical radiotherapy from 2004 to 2009 and were evaluated by rectosigmoidoscopy. The cumulative doses of WPRT and ICBT to the maximally rectal point were calculated to the EQD2 and evaluated the association of toxicities. Results: Thirty-nine patients were evaluated for late rectal toxicity. The mean cumulative dose in term of EQD2 to rectum was 64.2 Gy. Grade 1 toxicities were the most common findings. According to endoscopic exam, the most common toxicities were congested mucosa (36 patients) and telangiectasia (32 patients). In evaluation between rectal dose in EQD2 and toxicities, no association of cumulative rectal dose to rectal toxicity, except the association of cumulative rectal dose in EQD2 >65 Gy to late effects of normal tissue (LENT-SOMA) scale ≥ grade 2 (p = 0.022; odds ratio, 5.312; 95% confidence interval, 1.269-22.244). Conclusion: The cumulative rectal dose in EQD2 >65 Gy have association with ≥ grade 2 LENT-SOMA scale. © 2014. The Korean Society for Radiation Oncology.en_US
dc.titleThe association of rectal equivalent dose in 2 Gy fractions (EQD2) to late rectal toxicity in locally advanced cervical cancer patients who were evaluated by rectosigmoidoscopy in Faculty of Medicine, Chiang Mai Universityen_US
article.title.sourcetitleRadiation Oncology Journalen_US
article.volume32en_US Mai Universityen_US Cancer Hospitalen_US zu Kielen_US
Appears in Collections:CMUL: Journal Articles

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