RESEARCH

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

• 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
• 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.
• 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
• 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.
• 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.
• 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.
• 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
• 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
• 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
• 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
• 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
• 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.
• 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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