PROFILE
SASAI Keisuke, M.D., Ph.D.
Department of Radiation Oncology
Short Biography
- 1981
- M.D. Hirosaki University
- 1981-1982
- Residency, Kyoto University Hospital, Radiology (Diagnostic and Therapeutic)
- 1982-1986
- Residency, Tenri Hospital, Radiology (Diagnostic and Therapeutic)
- 1986-1990
- Ph.D. Kyoto University Graduate School of Medicine
- 1990-1994
- Assistant Professor, Department of Therapeutic Radiology and Oncology, Kyoto University Hospital
- 1991-1992
- Visiting Research Associate, Department of Radiation Oncology, Stanford University, Stanford, CA, USA
- 1994-1998
- Lecturer, Department of Therapeutic Radiology and Oncology, Kyoto University Faculty of Medicine
- 1998-2000
- Associate Professor, Department of Therapeutic Radiology and Oncology, Kyoto University, Faculty of Medicine
- 2000-2002
- Professor, Department of Radiology, Juntendo University Faculty of Medicine
- 2002-2009
- Director and Professor, Division of Radiation Oncology, Niigata University Graduate School of Medical and Dental Sciences
- 2009-2013
- Professor and Chairman, Department of Radiology, Juntendo University Faculty of Medicine
- 2013-Present
- Professor and Chairman, Department of Radiation Oncology, Juntendo University Faculty of Medicine
Keywords
- Radiation Oncology
- Radiation Biology
- Conformal Radiation Therapy
- Prediction of Radiosensitivity of Normal Tissue and Tumor
- Chemical Modification of Radiosensitivity
Main Research Topics and Interests
Radiation Oncology
- Malignant Lymphomas
- Brain Tumor
- Genitourinary Tumor
- Esophageal Cancer
Radiation Biology
- Predictive assay for radiosensitivity of normal tissue and tumors
- Chemical modification of radiosensitivity
Publications (in English)
- Originals Articles: 186
- Review Articles: 3
- Editorial: 2
- Letter: 1
- Book: 1
- h-index: 35 (Scopus)
- Sum of Times Cited: 3,757 (Scopus)
Recent Main Publications
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Kosugi Y, Kawamoto T, Oshima M, Fujimaki M, Ohba S, Matsumoto F,
Shikama N, Sasai K. Invasion of the pterygoid plates: an indicator for
regional lymph node failure in maxillary sinus cancer. Radiat Oncol.
2021 Jan 6;16(1):2. doi: 10.1186/s13014-020-01726-w. PMID: 33407616
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Kunogi H, Hsu IC, Yamaguchi N, Kusunoki S, Nakagawa K, Sugimori Y,
Fujino K, Terao Y, Ogishima D, Yoshimura R, Sasai K. CT-Guided Pelvic
Lymph Nodal Brachytherapy. Front Oncol. 2021 Feb 19;10:532555. doi:
10.3389/fonc.2020.532555. eCollection 2020.
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Hara N, Isobe A, Yamada K, Kosugi Y, Oshima M, Kawamoto T, Shikama N,
Sasai K. Unusual visual and olfactory perceptions during radiotherapy
sessions: an investigation of the organs responsible. J Radiat Res.
2021 Jul 10;62(4):718-725. doi: 10.1093/jrr/rrab033. PMID: 33912958
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Kawamoto T, Shikama N, Mine S, Tsurumaru M, Sasai K. Clinical impact of
baseline renal function on the safety of radiotherapy with concurrent
docetaxel for esophageal cancer in elderly patients. Esophagus. 2020
Mar 13. doi: 10.1007/s10388-020-00731-y.
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Kunogi H, Yamaguchi N, Terao Y, Sasai K. Dosimetric predictors of
nephrotoxicity in patients receiving extended-field radiation therapy
for gynecologic cancer. Radiat Oncol. 2021 Feb 4;16(1):25. doi:
10.1186/s13014-021-01755-z.
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Kunogi H, Wakumoto Y, Kawamoto T, Oshima M, Horie S, Sasai K. Focal
low-dose-rate prostate brachytherapy for low- and intermediate-risk
prostate cancer. J Contemp Brachytherapy 2020;12:554-561.
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Utena Y, Takatsu J, Sugimoto S, Sasai K Trajectory log analysis and
cone-beam CT-based daily dose calculation to investigate the dosimetric
accuracy of intensity-modulated radiotherapy for gynecologic cancer. J
Appl Clin Med Phys. 2021 Feb;22(2):108-117. doi: 10.1002/acm2.13163.
Epub 2021 Jan 10. PMID: 33426810
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Oya M, Sugimoto S, Sasai K, Yokoyama K. Investigation of clinical
target volume segmentation for whole breast irradiation using
three-dimensional convolutional neural networks with gradient-weighted
class activation mapping. Radiol Phys Technol. 2021 Jun 16. doi:
10.1007/s12194-021-00620-8. Online ahead of print. PMID: 34132994
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Isobe A, Usui K, Hara N, Sasai K. The effects of rotational setup
errors in total body irradiation using helical tomotherapy. J Appl Clin
Med Phys. 2021 Jul;22(7):93-102. doi: 10.1002/acm2.13271. Epub 2021 May
24. PMID: 34028944
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Kawamoto T, Shikama N, Kurokawa C, Hara N, Oshima M, Sasai K. A
prospective feasibility study of a 1-mm bolus for postmastectomy
radiotherapy. BMC Cancer. 2021 Feb 2;21(1):109. doi:
10.1186/s12885-021-07851-3. PMID: 33530984
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Kawamoto T, Shikama N, Kurokawa C, Hara N, Oshima M, Sasai K.
Dosimetric assessment of bolus for postmastectomy radiotherapy. Med
Dosim. 2021 Spring;46(1):e1-e4. doi: 10.1016/j.meddos.2020.08.001. Epub
2020 Sep 3. PMID: 32891467
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Kunogi H, Yamaguchi N, Sasai K. Evaluation of a new bi-valve vaginal
speculum applicator design for gynecologic interstitial brachytherapy.
J Contemp Brachytherapy. 2020 Feb;12(1):27-34. doi:
10.5114/jcb.2020.92406.
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Hu R, Saito AI, Mitsuhashi T, Inoue T, Ota T, Ujihira T, Yoshida K,
Sasai K. Radiosensitization using hydrogen peroxide in patients with
cervical cancer. Mol Clin Oncol. 2021 Jul;15(1):142. doi:
10.3892/mco.2021.2304. Epub 2021 May 23. PMID: 34094540
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