Keisuke Yasui
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Explore the profile of Keisuke Yasui including associated specialties, affiliations and a list of published articles.
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Articles
27
Citations
111
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Recent Articles
1.
Ota S, Yasui K, Ogata T, Mori Y, Nishio T, Tohyama N, et al.
J Radiat Res
. 2024 Dec;
66(1):52-64.
PMID: 39657763
The current research on staffing models is primarily focused on conventional external photon beam therapy, which predominantly involves using linear accelerators. This emphasizes the need for comprehensive studies to understand...
2.
Hayashi N, Saito T, Ouchi K, Amma H, Muraki Y, Yasui K, et al.
J Appl Clin Med Phys
. 2024 Nov;
26(1):e14517.
PMID: 39600111
Purpose: Radiotherapy devices with multiple image-guidance systems, such as surface-guided radiation therapy (SGRT), have been widely used in recent years. However, in the case of SGRT devices using the light-section...
3.
Kadoya N, Arai K, Tanaka S, Kimura Y, Tozuka R, Yasui K, et al.
Radiol Phys Technol
. 2024 Sep;
17(4):929-937.
PMID: 39254919
This study aimed to evaluate the performance for answering the Japanese medical physicist examination and providing the benchmark of knowledge about medical physics in language-generative AI with large language model....
4.
Nagake Y, Yasui K, Ooe H, Ichihara M, Iwase K, Toshito T, et al.
Radiol Phys Technol
. 2024 Jan;
17(1):280-287.
PMID: 38261133
The reference dose for clinical proton beam therapy is based on ionization chamber dosimetry. However, data on uncertainties in proton dosimetry are lacking, and multifaceted studies are required. Monte Carlo...
5.
Ogawa S, Yasui K, Hayashi N, Saito Y, Hayashi S
Cureus
. 2023 Dec;
15(10):e48041.
PMID: 38046495
Background This study evaluates dose perturbations caused by nonradioactive seeds in clinical cases by employing treatment planning system-based Monte Carlo (TPS-MC) simulation. Methodology We investigated dose perturbation using a water-equivalent...
6.
Tomita N, Hayashi N, Mizuno T, Kitagawa Y, Yasui K, Saito Y, et al.
Tech Innov Patient Support Radiat Oncol
. 2023 Oct;
28:100221.
PMID: 37886016
Introduction: In this simulation study, we examined the effects of a de-escalation strategy with a reduced dose to subclinical nodal regions in patients with human papillomavirus (HPV)-associated oropharyngeal carcinoma (OPC)....
7.
Yasui K, Saito Y, Ito A, Douwaki M, Ogawa S, Kasugai Y, et al.
Sci Rep
. 2023 Sep;
13(1):15413.
PMID: 37723226
Deep learning-based CT image reconstruction (DLR) is a state-of-the-art method for obtaining CT images. This study aimed to evaluate the usefulness of DLR in radiotherapy. Data were acquired using a...
8.
Yasui K, Omi Y, Shimomura A, Muramatsu R, Iwata H, Ogino H, et al.
J Cancer Res Ther
. 2023 May;
19(Supplement):S0.
PMID: 37147973
Purpose: The spot position is an important beam parameter in the quality assurance of scanning proton therapy. In this study, we investigated dosimetric impact of systematic 15 spot position errors...
9.
Hayashi N, Kurata S, Saito Y, Ogawa S, Yasui K
Radiol Phys Technol
. 2022 Oct;
15(4):409-416.
PMID: 36261754
In single-isocenter multiple-target stereotactic radiotherapy (SIMT-SRT), it is difficult to evaluate both the geometrical accuracy and absorbed dose measurement when irradiating off-isocenter targets. This study aimed to develop a simple...
10.
Yasui K, Muramatsu R, Kamomae T, Toshito T, Kawabata F, Hayashi N
Phys Med
. 2021 Dec;
92:95-101.
PMID: 34891108
Purpose: Accurate calculation of the proton beam range inside a patient is an important topic in proton therapy. In recent times, a computed tomography (CT) image reconstruction algorithm was developed...