Keiichi Nakagawa

Keiichi Nakagawa

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Keiichi Nakagawa

Keiichi Nakagawa

Publications by authors named "Keiichi Nakagawa"

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100Publications

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Evaluation of a commercial automatic treatment planning system for prostate cancers.

Med Dosim 2017 Autumn;42(3):203-209. Epub 2017 May 23.

Department of Radiology, University of Tokyo Hospital, Bunkyo-ku, Tokyo, Japan.

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May 2018

[A 15-year-old girl with congenital cytomegalovirus infection presenting with sensorineural hearing impairment and cerebral while matter lesions but no intellectual disability].

Rinsho Shinkeigaku 2018 May 28;58(5):320-323. Epub 2018 Apr 28.

Division of Neurology, Anti-aging and Vascular Medicine, Department of Internal Medicine, National Defense Medical College.

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May 2018

Volumetric and dosimetric comparison of organs at risk between the prone and supine positions in postoperative radiotherapy for prostate cancer.

Radiat Oncol 2018 Apr 17;13(1):70. Epub 2018 Apr 17.

Departments of Radiology, University of Tokyo Hospital, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.

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April 2018

Classification of early stage non-small cell lung cancers on computed tomographic images into histological types using radiomic features: interobserver delineation variability analysis.

Radiol Phys Technol 2018 Mar 5;11(1):27-35. Epub 2017 Dec 5.

Department of Radiology, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo, Tokyo, 113-8655, Japan.

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March 2018

Identification of the active portion of the CCL3 derivative reported to induce antitumor abscopal effect.

Clin Transl Radiat Oncol 2018 Mar 23;10:7-12. Epub 2018 Feb 23.

Research Center for Medical Science, Yeungnam University, Republic of Korea.

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March 2018

[An anti-RNP antibody-positive case of aseptic meningitis induced by non-steroidal anti-inflammatory drugs in a young woman].

Rinsho Shinkeigaku 2018 Jan 22;58(1):25-29. Epub 2017 Dec 22.

Department of Neurology, Anti-aging and Vascular Medicine, National Defense Medical College.

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January 2018

The impact of elevated C-reactive protein level on the prognosis for oro-hypopharynx cancer patients treated with radiotherapy.

Sci Rep 2017 Dec 19;7(1):17805. Epub 2017 Dec 19.

Department of Radiology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.

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December 2017

Stereotactic body radiotherapy for oligo-recurrence in the liver in a patient with esophageal carcinoma: A case report.

Mol Clin Oncol 2017 Dec 4;7(6):1061-1063. Epub 2017 Oct 4.

Department of Radiology, The University of Tokyo Hospital, Tokyo 113-8655, Japan.

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December 2017

Carbon-ion re-irradiation for recurrences after initial treatment of stage I non-small cell lung cancer with carbon-ion radiotherapy.

Radiother Oncol 2017 10 4;125(1):31-35. Epub 2017 Aug 4.

National Institute of Radiological Sciences Hospital, National Institutes for Quantum and Radiological Sciences and Technology, Chiba-shi, Japan.

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October 2017

Re-irradiation of locoregional esophageal cancer recurrence following definitive chemoradiotherapy: A report of 6 cases.

Mol Clin Oncol 2017 Oct 18;7(4):681-686. Epub 2017 Aug 18.

Department of Radiology, University of Tokyo Hospital, Tokyo 113-8655, Japan.

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October 2017

Cone-beam CT reconstruction for non-periodic organ motion using time-ordered chain graph model.

Radiat Oncol 2017 Sep 4;12(1):145. Epub 2017 Sep 4.

Department of Radiology, The University of Tokyo Hospital, Bunkyo-ku, Tokyo, 113-8655, Japan.

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September 2017

Effective atomic number estimation using kV-MV dual-energy source in LINAC.

Phys Med 2017 Jul 20;39:9-15. Epub 2017 Jun 20.

Department of Radiology, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo, Tokyo 113-8655, Japan.

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July 2017

Involved-field irradiation concurrently combined with nedaplatin/5-fluorouracil for inoperable esophageal cancer on basis of 18FDG-PET scans: A long follow-up results of phase II study.

Radiother Oncol 2017 06 17;123(3):488. Epub 2017 Apr 17.

Department of Radiology, University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.

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June 2017

Adequate target volume in total-body irradiation by intensity-modulated radiation therapy using helical tomotherapy: a simulation study.

J Radiat Res 2017 Mar;58(2):210-216

Department of Radiology, University of Tokyo Hospital, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.

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March 2017

Improvement in quality of life by using duloxetine for chemotherapy-induced peripheral neuropathy (CIPN): a case report.

Support Care Cancer 2016 11 23;24(11):4483-5. Epub 2016 Jul 23.

Department of Radiation Oncology, University of Tokyo Hospital, 7-3-1, Bunkyo-ku, Hongo, 113-8655, Tokyo, Japan.

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November 2016

Evaluation of Functional Marrow Irradiation Based on Skeletal Marrow Composition Obtained Using Dual-Energy Computed Tomography.

Int J Radiat Oncol Biol Phys 2016 11 6;96(3):679-87. Epub 2016 Jul 6.

Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota; Department of Therapeutic Radiology, University of Minnesota, Minneapolis, Minnesota; Department of Radiation Oncology, Beckman Research Institute, City of Hope, Duarte, California. Electronic address:

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November 2016

Fast Megavoltage Computed Tomography: A Rapid Imaging Method for Total Body or Marrow Irradiation in Helical Tomotherapy.

Int J Radiat Oncol Biol Phys 2016 11 6;96(3):688-95. Epub 2016 Jul 6.

Masonic Cancer Center, University of Minnesota, Minneapolis, Minnesota; Department of Therapeutic Radiology, University of Minnesota, Minneapolis, Minnesota; Department of Radiation Oncology and Beckman Research Institute, City of Hope, Duarte, California. Electronic address:

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November 2016

Unique radiation dermatitis related to total body irradiation by helical tomotherapy.

J Dermatol 2016 Nov 30;43(11):1376-1377. Epub 2016 Apr 30.

Department of Radiology, The University of Tokyo Hospital, Tokyo, Japan.

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November 2016

Carbon-ion pencil beam scanning for thoracic treatment - initiation report and dose metrics evaluation.

J Radiat Res 2016 Sep 5;57(5):576-581. Epub 2016 Jul 5.

Research Center Hospital for Charged Particle Therapy, National Institute of Radiological Sciences, 4-9-1, Anagawa, Inage-ku, Chiba, Chiba 263-8555, Japan.

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September 2016

Prognostic factors in patients after definitive chemoradiation using involved-field radiotherapy for esophageal cancer in a phase II study.

Thorac Cancer 2016 Sep 2;7(5):564-569. Epub 2016 Jun 2.

Department of Radiology, University of Tokyo Hospital, Tokyo, Japan.

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September 2016

A report that Fukushima residents are concerned about radiation from Land, Food and Radon.

J Radiat Res 2016 Jul 16;57(4):418-21. Epub 2016 Mar 16.

Department of Radiology, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan

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July 2016

Complete response to abdominal bulky lymph node recurrence in an esophageal cancer patient treated with S-1 monotherapy: A case report.

Oncol Lett 2016 Jun 19;11(6):3901-3903. Epub 2016 Apr 19.

Department of Radiation Oncology, University of Tokyo Hospital, Tokyo 113-8655, Japan.

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June 2016

Single-Fraction Carbon-Ion Radiation Therapy for Patients 80 Years of Age and Older With Stage I Non-Small Cell Lung Cancer.

Int J Radiat Oncol Biol Phys 2016 May 30;95(1):542-8. Epub 2015 Nov 30.

Research Center Hospital for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan.

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May 2016

Radiation-induced low-grade fibromyxoid sarcoma of the chest wall nine years subsequent to radiotherapy for breast carcinoma: A case report.

Oncol Lett 2016 Apr 10;11(4):2520-2524. Epub 2016 Feb 10.

Department of Radiology, University of Tokyo Hospital, Tokyo 113-0033, Japan.

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April 2016

Details of recurrence sites after definitive radiation therapy for cervical cancer.

J Gynecol Oncol 2016 Mar 8;27(2):e16. Epub 2015 Oct 8.

Department of Radiology, University of Tokyo Graduate School of Medicine, Tokyo, Japan.

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March 2016

External effective radiation dose to workers in the restricted area of the Fukushima Daiichi Nuclear Power Plant during the third year after the Great East Japan Earthquake.

J Radiat Res 2016 Mar 9;57(2):178-81. Epub 2015 Dec 9.

Department of Radiology, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan

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March 2016

Omission of axillary lymph node dissection for clinically node negative early-stage breast cancer patients.

Breast Cancer 2015 Nov 23;22(6):657-63. Epub 2014 Apr 23.

Department of Radiology, University of Tokyo Hospital, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.

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November 2015

Views on death with regard to end-of-life care preferences among cancer patients at a Japanese university hospital.

Palliat Support Care 2015 Aug 11;13(4):969-79. Epub 2014 Jul 11.

Department of Radiology,The University of Tokyo Hospital,Tokyo,Japan.

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August 2015

Effects of cell-free and concentrated ascites reinfusion therapy (CART) on symptom relief of malignancy-related ascites.

Int J Clin Oncol 2015 Jun 20;20(3):623-8. Epub 2014 Sep 20.

Department of Palliative Medicine, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan,

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June 2015

Repeated episodes of spontaneous regression/progression of cervical adenocarcinoma after adjuvant chemoradiation therapy: a case report.

J Med Case Rep 2015 May 19;9:114. Epub 2015 May 19.

Department of Radiation Oncology, University of Tokyo Hospital, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.

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May 2015

A prospective nonrandomized phase I/II study of carbon ion radiotherapy in a favorable subset of locally advanced non-small cell lung cancer (NSCLC).

Cancer 2015 Apr 13;121(8):1321-7. Epub 2015 Jan 13.

Research Center Hospital for Charged Particle Therapy, National Institute of Radiological Sciences, Chiba, Japan; Department of Radiology, The University of Tokyo Hospital, Tokyo, Japan.

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April 2015

Symptom relief effect of palliative high dose rate intracavitary radiotherapy for advanced esophageal cancer with dysphagia.

Oncol Lett 2015 Apr 9;9(4):1747-1752. Epub 2015 Feb 9.

Department of Palliative Medicine, University of Tokyo Hospital, Tokyo 113-8655, Japan.

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April 2015

A study of high-dose-rate intracavitary brachytherapy boost for curative treatment of uterine cervical cancer.

J Contemp Brachytherapy 2015 Apr 9;7(2):128-34. Epub 2015 Apr 9.

Department of Radiation Oncology, The University of Tokyo Hospital, Hongo, Bunkyo-ku, Tokyo, Japan.

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April 2015

Stereotactic body radiotherapy for small lung tumors in the University of Tokyo Hospital.

Biomed Res Int 2014 7;2014:136513. Epub 2014 Jul 7.

Department of Radiology, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.

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March 2015

The importance of good death components among cancer patients, the general population, oncologists, and oncology nurses in Japan: patients prefer "fighting against cancer".

Support Care Cancer 2015 Jan 5;23(1):103-10. Epub 2014 Jul 5.

Department of Adult Nursing/Palliative Care Nursing, School of Health Sciences and Nursing Sciences, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan,

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January 2015

Analysis of motion of the rectum during preoperative intensity modulated radiation therapy for rectal cancer using cone-beam computed tomography.

Radiat Oncol 2015 Jan 8;10. Epub 2015 Jan 8.

Department of Radiology, University of Tokyo Hospital, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.

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January 2015

Localizing fluorophore (centroid) inside a scattering medium by depth perturbation.

J Biomed Opt 2015 Jan;20(1):017003

The University of Tokyo, Graduate School of Engineering, Department of Precision Engineering, 7-3-1 Hongo Bunkyoku, Tokyo 1138656, Japan.

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January 2015

Carbon-ion scanning lung treatment planning with respiratory-gated phase-controlled rescanning: simulation study using 4-dimensional CT data.

Radiat Oncol 2014 Nov 11;9:238. Epub 2014 Nov 11.

Research Center Hospital for Charged Particle Therapy, National Institute of Radiological Sciences, 4-9-1, Anagawa, Inage-ku, Chiba-shi, Chiba, 263-8555, Japan.

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November 2014

Volumetric modulated arc therapy for lung stereotactic radiation therapy can achieve high local control rates.

Radiat Oncol 2014 Nov 11;9:243. Epub 2014 Nov 11.

Department of Radiology, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.

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November 2014

Reconstruction of the treatment area by use of sinogram in helical tomotherapy.

Radiat Oncol 2014 Nov 28;9:252. Epub 2014 Nov 28.

Department of Radiology, University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo, Tokyo, Japan.

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November 2014

Macrophage inflammatory protein derivative ECI301 enhances the alarmin-associated abscopal benefits of tumor radiotherapy.

Cancer Res 2014 Sep 18;74(18):5070-8. Epub 2014 Jul 18.

Central Laboratory, Effector Cell Institute (ECI) Inc., Meguro-ku, Tokyo, Japan. YU-ECI Research Center for Medical Science, Yeungnam University, Gyeongsan, Gyongbuk, Republic of Korea.

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September 2014

Corticospinal tract-sparing intensity-modulated radiotherapy treatment planning.

Rep Pract Oncol Radiother 2014 Sep 15;19(5):310-6. Epub 2014 Jul 15.

Department of Radiology, The University of Tokyo Hospital, Tokyo, Japan.

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September 2014

Radiation pneumonitis after stereotactic radiation therapy for lung cancer.

World J Radiol 2014 Sep;6(9):708-15

Hideomi Yamashita, Wataru Takahashi, Akihiro Haga, Keiichi Nakagawa, Department of Radiology, University of Tokyo Hospital, Tokyo 113-8655, Japan.

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September 2014

Local effect of stereotactic body radiotherapy for primary and metastatic liver tumors in 130 Japanese patients.

Radiat Oncol 2014 May 10;9:112. Epub 2014 May 10.

Department of Radiology, University of Tokyo Hospital, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.

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May 2014

Carbon ion radiotherapy for oligo-recurrent lung metastases from colorectal cancer: a feasibility study.

Radiat Oncol 2014 Mar 1;9:68. Epub 2014 Mar 1.

Research Center Hospital for Charged Particle Therapy, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku, Chiba-shi, Chiba 263-8555, Japan.

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March 2014

Extended cancer-free survival after palliative chemoradiation for metastatic esophageal cancer.

World J Gastrointest Oncol 2014 Feb;6(2):52-4

Hideomi Yamashita, Akihiro Nomoto, Mami Yamashita, Hiroshi Igaki, Departments of Radiology, University of Tokyo Hospital, Tokyo 113-8655, Japan.

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February 2014

Longitudinal assessments of quality of life and late toxicities before and after definitive chemoradiation for esophageal cancer.

Jpn J Clin Oncol 2014 Jan 11;44(1):78-84. Epub 2013 Nov 11.

*Division of Radiation Oncology, University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan.

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January 2014

The feasibility and efficacy of stereotactic body radiotherapy for centrally-located lung tumors.

Anticancer Res 2013 Nov;33(11):4959-64

Department of Radiology, University of Tokyo Hospital, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655 Japan.

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November 2013

High-dose-rate interstitial brachytherapy for gynecologic malignancies--dosimetric changes during treatment period.

J Radiat Res 2013 Jul 7;54(4):663-70. Epub 2013 Jan 7.

Department of Radiology, Tokyo University Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.

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July 2013

Dose verification of volumetric modulated arc therapy (VMAT) by use of in-treatment linac parameters.

Radiol Phys Technol 2013 Jul 12;6(2):335-42. Epub 2013 Mar 12.

Department of Radiology, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.

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July 2013

Guidelines for respiratory motion management in radiation therapy.

J Radiat Res 2013 May 13;54(3):561-8. Epub 2012 Dec 13.

Department of Radiation Oncology and Image-applied Therapy, Kyoto University Graduate School of Medicine, 54 Shogoin-Kawaharacho, Sakyo-ku, Kyoto-shi, Kyoto 606-8507, Japan.

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May 2013

[Multidisciplinary medical care in radiation oncology].

Gan To Kagaku Ryoho 2013 Apr;40(4):440-3

Department of Radiology, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.

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April 2013

Effectiveness of using clinical guidelines for conducting palliative care family meetings in Japan.

Support Care Cancer 2013 Jan 25;21(1):53-8. Epub 2012 May 25.

Department of Palliative Medicine, The University of Tokyo Hospital, Tokyo, Japan.

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January 2013

Comparison of total MU and segment areas in VMAT and step-and-shoot IMRT plans.

Radiol Phys Technol 2013 Jan 1;6(1):14-20. Epub 2012 Jul 1.

Graduate School of Medicine, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan.

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January 2013

Stereotactic body radiotherapy for metastatic lung cancer as oligo-recurrence: an analysis of 42 cases.

Pulm Med 2012 4;2012:454107. Epub 2012 Oct 4.

Department of Radiology, University of Tokyo Hospital, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.

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October 2012

Clinical benefit of radiation therapy and metallic stenting for unresectable hilar cholangiocarcinoma.

World J Gastroenterol 2012 May;18(19):2364-70

Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo 113-8655, Japan.

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May 2012

Expression of DBC1 is associated with nuclear grade and HER2 expression in breast cancer.

Exp Ther Med 2011 Nov 12;2(6):1105-1109. Epub 2011 Aug 12.

Departments of Obstetrics and Gynecology, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo 113-8655;

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November 2011