Publications by authors named "Tadayuki Kotsuma"

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Validity of High-Dose-Rate Interstitial Brachytherapy as Monotherapy for Mobile Tongue Cancer in Terms of the Acute Mucosal Reaction.
Hironori Akiyama, Ken Yoshida, Tadayuki Kotsuma, Koji Masui, Tadashi Takenaka

Kurume Med J· August 2025

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High-dose-rate surface mold with tumor translucency brachytherapy for a 103-year-old patient with skin cancer, dementia, tremor, and kyphosis: a case report.
Masataka Nakai, Ken Yoshida, Tadayuki Kotsuma, Yuji Takaoka, Hironori Akiyama

Nagoya J Med Sci· May 2025

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MRI-Guided Multi-Catheter High-Dose-Rate Interstitial Brachytherapy for Uterine Cervical Cancer.
Hideya Yamazaki, Koji Masui, Ken Yoshida, Gen Suzuki, Tadashi Takenaka, Tadayuki Kotsuma

Cancers (Basel)· February 2025

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Image-guided high-dose-rate interstitial brachytherapy with custom-made surface applicators for lower lip cancer as monotherapy. Technique, long-term clinical results, and quantitative dose-volume evaluation: A case series.
Hironori Akiyama, Ken Yoshida, Tadayuki Kotsuma, Tadashi Takenaka, Yuji Takaoka

J Contemp Brachytherapy· February 2025

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Reirradiation for recurrent gynecologic cancer using high-dose-rate brachytherapy in Japan: A multicenter survey on practice patterns and outcomes.
Fumiaki Isohashi, Ken Yoshida, Naoya Murakami, Koji Masui, Shunichi Ishihara, Tadayuki Kotsuma

Radiother Oncol· June 2024

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Initial tumor volume as an important predictor for indication of intra-cavitary brachytherapy, intra-cavitary/interstitial brachytherapy, and multi-catheter sole interstitial brachytherapy in cervical cancer patients treated with chemoradiotherapy.
Tadashi Takenaka, Hideya Yamazaki, Gen Suzuki, Koji Masui, Daisuke Shimizu, Tadayuki Kotsuma

J Contemp Brachytherapy· June 2023

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HDR-brachytherapy for accelerated partial breast irradiation: Long-term experience from a Japanese institution.
Ken Yoshida, Tadayuki Kotsuma, Yuji Takaoka, Setsuo Tamenaga, Hideya Yamazaki

J Contemp Brachytherapy· February 2023

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A Japanese prospective multi-institutional feasibility study on accelerated partial breast irradiation using multicatheter interstitial brachytherapy: clinical results with a median follow-up of 60 months.
Ken Yoshida, Takayuki Nose, Yuki Otani, Shuuji Asahi, Iwao Tsukiyama, Tadayuki Kotsuma

Breast Cancer· July 2022

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Reirradiation for recurrent head and neck carcinoma using high-dose-rate brachytherapy: A multi-institutional study.
Hideya Yamazaki, Koji Masui, Gen Suzuki, Ken Yoshida, Satoaki Nakamura, Tadayuki Kotsuma

Brachytherapy· May 2022

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Effect of a lead block on alveolar bone protection in image-guided high-dose-rate interstitial brachytherapy for tongue cancer: using model-based dose calculation algorithms to correct for inhomogeneity.
Hironori Akiyama, Ken Yoshida, Tadashi Takenaka, Tadayuki Kotsuma, Koji Masui

J Contemp Brachytherapy· February 2022

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Comparison of Physician-recorded Toxicities and Patient-reported Outcomes of Five Different Radiotherapy Methods for Prostate Cancer.
Makoto Ito, Kazuma Sasamura, Yuuki Takase, Tadayuki Kotsuma, Yukihiko Oshima

Anticancer Res· May 2021

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Influence of transitioning of planning techniques in high-dose-rate brachytherapy monotherapy for clinically localized prostate cancer from two- to three-dimensional planning.
Hideya Yamazaki, Koji Masui, Gen Suzuki, Satoaki Nakamura, Ken Yoshida, Tadayuki Kotsuma

Brachytherapy· February 2020

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A new implant device to prevent edema-associated underdosage in high-dose-rate interstitial brachytherapy of mobile tongue cancer.
Ken Yoshida, Tadayuki Kotsuma, Hironori Akiyama, Hideya Yamazaki, Tadashi Takenaka

J Contemp Brachytherapy· December 2019

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High-dose-rate brachytherapy monotherapy versus low-dose-rate brachytherapy with or without external beam radiotherapy for clinically localized prostate cancer.
Hideya Yamazaki, Koji Masui, Gen Suzuki, Satoaki Nakamura, Kei Yamada, Tadayuki Kotsuma

Radiother Oncol· March 2019

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Effect of Androgen Deprivation Therapy on Other-Cause of Mortality in Elderly Patients with Clinically Localized Prostate Cancer Treated with Modern Radiotherapy: Is There a Negative Impact?
Hideya Yamazaki, Koji Masui, Gen Suzuki, Satoaki Nakamura, Norihiro Aibe, Tadayuki Kotsuma

J Clin Med· March 2019

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Comparison of three moderate fractionated schedules employed in high-dose-rate brachytherapy monotherapy for clinically localized prostate cancer.
Hideya Yamazaki, Koji Masui, Gen Suzuki, Satoaki Nakamura, Ken Yoshida, Tadayuki Kotsuma

Radiother Oncol· November 2018

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Radiothrerapy for Elderly Patients Aged ≥75 Years with Clinically Localized Prostate Cancer-Is There a Role of Brachytherapy?
Hideya Yamazaki, Koji Masui, Gen Suzuki, Satoaki Nakamura, Norihiro Aibe, Tadayuki Kotsuma

J Clin Med· November 2018

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High-Dose-Rate Brachytherapy Monotherapy versus Image-Guided Intensity-Modulated Radiotherapy with Helical Tomotherapy for Patients with Localized Prostate Cancer.
Hideya Yamazaki, Koji Masui, Gen Suzuki, Satoaki Nakamura, Daisuke Shimizu, Tadayuki Kotsuma

Cancers (Basel)· September 2018

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Case report of a dose-volume histogram analysis of rib fracture after accelerated partial breast irradiation: interim analysis of a Japanese prospective multi-institutional feasibility study.
Ken Yoshida, Yuki Otani, Takayuki Nose, Eisaku Yoden, Shuuji Asahi, Tadayuki Kotsuma

J Contemp Brachytherapy· June 2018

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Brachytherapy for Buccal Cancer: From Conventional Low Dose Rate (LDR) or Mold Technique to High Dose Rate Interstitial Brachytherapy (HDR-ISBT).
Tadayuki Kotsuma, Hideya Yamazaki, Koji Masui, Ken Yoshida, Kimishige Shimizutani

Anticancer Res· December 2017

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Effect of intratumoral abscess/necrosis on the outcome for head and neck cancer patients treated by hypofractionated stereotactic re-irradiation using CyberKnife®.
Hideya Yamazaki, Mikio Ogita, Kengo Himei, Satoaki Nakamura, Gen Suzuki, Tadayuki Kotsuma

Mol Clin Oncol· September 2017

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Reirradiation for recurrent head and neck cancers using charged particle or photon radiotherapy.
Hideya Yamazaki, Yusuke Demizu, Tomoaki Okimoto, Mikio Ogita, Kengo Himei, Tadayuki Kotsuma

Strahlenther Onkol· July 2017

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Uncertainty of cosmetic evaluation after accelerated partial breast irradiation: interim analysis of a Japanese prospective multi-institutional feasibility study.
Eisaku Yoden, Takayuki Nose, Yuki Otani, Shuuji Asahi, Iwao Tsukiyama, Tadayuki Kotsuma

Jpn J Radiol· July 2017

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Nationwide, Multicenter, Retrospective Study on High-Dose-Rate Brachytherapy as Monotherapy for Prostate Cancer.
Yasuo Yoshioka, Tadayuki Kotsuma, Akira Komiya, Shinji Kariya, Koji Konishi

Int J Radiat Oncol Biol Phys· April 2017

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Edema worsens target coverage in high-dose-rate interstitial brachytherapy of mobile tongue cancer: a report of two cases.
Ken Yoshida, Hideya Yamazaki, Tadayuki Kotsuma, Hironori Akiyama, Tadashi Takenaka

J Contemp Brachytherapy· February 2017

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