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Tharavichitkul, Ekkasit,Janla-or, Suwapim,Wanwilairat, Somsak,Chakrabandhu, Somvilai,Klunklin, Pitchayaponne,Onchan, Wimrak,Supawongwattana, Bongkot,Galalae, Razvan M.,Chitapanarux, Imjai The Korean Society for Radiation Oncology 2015 Radiation Oncology Journal Vol.33 No.2
We present a case of cervical cancer treated by concurrent chemoradiation. In radiation therapy part, the combination of the whole pelvic helical tomotherapy plus image-guided brachytherapy with megavoltage computed tomography of helical tomotherapy was performed. We propose this therapeutic approach could be considered in a curative setting in some problematic situation as our institution.
Ekkasit Tharavichitkul,MD,Suwapim Janla-or,BSc,Somsak Wanwilairat,PhD,Somvilai Chakrabandhu,MD,Pitchayaponne Klunklin,MD,Wimrak Onchan,MD,Bongkot Supawongwattana,MD,Razvan M. Galalae,MD,PhD,Imjai Chit 대한방사선종양학회 2015 Radiation Oncology Journal Vol.33 No.2
We present a case of cervical cancer treated by concurrent chemoradiation. In radiation therapy part, the combination of the whole pelvic helical tomotherapy plus image-guided brachytherapy with megavoltage computed tomography of helical tomotherapy was performed. We propose this therapeutic approach could be considered in a curative setting in some problematic situation as our institution.
Tharavichtikul, Ekkasit,Meungwong, Pooriwat,Chitapanarux, Taned,Chakrabandhu, Somvilai,Klunklin, Pitchayaponne,Onchan, Wimrak,Wanwilairat, Somsak,Traisathit, Patrinee,Galalae, Razvan,Chitapanarux, Imj The Korean Society for Radiation Oncology 2014 Radiation Oncology Journal Vol.32 No.2
Purpose: 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 ${\geq}$ 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 ${\geq}$ grade 2 LENT-SOMA scale.
Ekkasit Tharavichtikul,MD,Pooriwat Meungwong,MD,Taned Chitapanarux,MD,Somvilai Chakrabandhu,MD,Pitchayaponne Klunklin,MD,Wimrak Onchan,MD,Somsak Wanwilairat,PhD,Patrinee Traisathit,PhD,Razvan Galalae 대한방사선종양학회 2014 Radiation Oncology Journal Vol.32 No.2
Purpose: 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.