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- 저자 : Koji Masui (검색결과 1 건)
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Ken Yoshida,Hideya Yamazaki,Satoaki Nakamura,Koji Masui,Tadayuki Kotsuma,Hironori Akiyama,Eiichi Tanaka,Nobuhiko Yoshikawa,Yasuo Uesugi,Taiju Shimbo,Yoshifumi Narumi,Yasuo Yoshioka 대한부인종양학회 2015 Journal of Gynecologic Oncology Vol.26 No.3
Objective: To assess actual rates of late vaginal stenosis and identify predisposing factors for complications among patients with previously untreated cervical cancer following high-dose-rate brachytherapy. Methods: We performed longitudinal analyses of 57 patients using the modified Dische score at 6, 12, 18, 24, 36, and 60 months after treatment, which consisted of 15 interstitial brachytherapys and 42 conventional intracavitary brachytherapys, with a median follow-up time of 36 months (range, 6 to 144 months). Results: More than half of the patients developed grade 1 (mild) vaginal stenosis within the first year of follow-up, and grade 2 (97.5%, moderate) to grade 3 (severe) stenosis gradually increased with time. Actual stenosis rates for grade 1, 2, and 3 were 97.5% (95% confidence interval [CI], 92.7 to 97.5), 60.7% (95% CI, 42.2 to 79.3), and 7.4% (95% CI, 0 to 18.4) at 3 years after treatment. Pallor reaction grade 2–3 at 6 months was only a statistically significant predisposing factor for grade 2–3 late vaginal stenosis 3 years or later with a hazard ratio of 3.48 (95% CI, 1.32 to 9.19; p=0.018) by a multivariate Cox proportional hazard model. Patients with grade 0–1 pallor reaction at 6 months showed a grade ≥2 vaginal stenosis rate of 53%, whereas the grade 2–3 pallor reaction group achieved a grade ≥2 vaginal stenosis rate at 3 years at 100% (p=0.001). Conclusion: High-dose-rate brachytherapy was associated with high incidence of late vaginal stenosis. Pallor reaction grade 2–3 at 6 months was predictive of late grade 2–3 vaginal stenosis at 3 years after treatment. These findings should prove helpful for patient counseling and preventive intervention.
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