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Takero Hirata

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Articles 34
Citations 199
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Recent Articles
1.
Akino Y, Isohashi F, Arimura T, Inoue S, Shiomi H, Hayashi K, et al.
J Radiat Res . 2025 Mar; PMID: 40042644
High dose rate (HDR) intracavitary brachytherapy (ICBT) with a remote afterloading system plays a vital role in the treatment of cervical cancer. We aimed to develop a new verification system...
2.
Hayashi K, Ishikawa H, Fujiwara K, Nakai M, Ono H, Fumimoto Y, et al.
Anticancer Res . 2024 Aug; 44(9):4113-4117. PMID: 39197891
Background/aim: Radiotherapy-induced malfunction of pacemakers and cardiac defibrillators has been reported, and corresponding guidelines have been developed in various countries. Although several studies have reported the effects of radiotherapy in...
3.
Kanayama N, Ikawa T, Takano K, Arita H, Morimoto M, Hirata T, et al.
Radiat Oncol . 2024 Jul; 19(1):95. PMID: 39061079
Background: Fractionated stereotactic radiosurgery (fSRS) is an important treatment strategy for unresected brain metastases. We previously reported that a good volumetric response 6 months after fSRS can be the first...
4.
Tamari K, Minami K, Tatekawa S, Seo Y, Fukusumi T, Tanaka H, et al.
Adv Radiat Oncol . 2024 Feb; 9(2):101353. PMID: 38405303
Purpose: Radiation therapy is widely used to treat head and neck squamous cell carcinoma (HNSCC). This study evaluated the association between circulating plasma programmed death-ligand 1 (PD-L1) and the outcomes...
5.
Akino Y, Shiomi H, Tsujimoto T, Hamatani N, Hirata T, Oda M, et al.
Jpn J Radiol . 2023 Jun; 41(11):1290-1297. PMID: 37273111
Purpose: In this study, we developed in-house software to evaluate the effect of the lead block (LB)-inserted spacer on the mandibular dose in interstitial brachytherapy (ISBT) for tongue cancer. In...
6.
Hirata T, Suzuki O, Otani K, Miyake A, Tamari K, Seo Y, et al.
Acta Oncol . 2023 May; 62(5):488-494. PMID: 37203203
Background: This dose-escalation study evaluated the toxicity and efficacy of different stereotactic body radiation therapy (SBRT) doses for selecting an optimal dose for prostatic adenocarcinoma (PCa). Materials And Methods: This...
7.
Ikawa T, Kanayama N, Arita H, Ohira S, Takano K, Hirata T, et al.
Radiat Oncol . 2023 May; 18(1):80. PMID: 37165431
Background: Data on acute toxicities after stereotactic radiotherapy (SRT) for brain metastases, including multiple and large lesions, are lacking. We aimed to evaluate the incidence and nature of toxicities immediately...
8.
Hayashi K, Suzuki O, Shiomi H, Ono H, Setoguchi A, Nakai M, et al.
BMC Cancer . 2023 Mar; 23(1):215. PMID: 36882702
Background: The CyberKnife system features a robotically-positioned linear accelerator to deliver real-time image-guided stereotactic ablative body radiotherapy (SABR). It achieves steep dose gradients using irradiation from hundreds of different directions...
9.
Yoshioka S, Akino Y, Shiomi H, Hirata T, Kai N, Ogawa K, et al.
In Vivo . 2022 Oct; 36(6):2861-2868. PMID: 36309372
Background/aim: This study evaluated the effects of the respiratory phase shifts between liver tumor and chest wall motions on the dose distribution for the CyberKnife Synchrony respiratory tracking system (SRTS)....
10.
Tatekawa S, Hoshino S, Takemoto N, Oda M, Akino Y, Iwahori K, et al.
Adv Radiat Oncol . 2022 Aug; 7(6):101048. PMID: 35992570
Purpose: The radiation recall phenomenon (RRP) is a rare and unexpected late complication of radiation therapy (RT). Although predominantly in the skin, RRP of the upper respiratory tract has also...