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List of works by Keiichi Nakagawa

18F-FDG PET for hepatocellular carcinoma presenting with portal vein tumor thrombus

scientific article published in October 2005

4D digitally reconstructed radiography for verifying a lung tumor position during volumetric modulated arc therapy ⬇️

scientific article published on July 1, 2012

4D registration and 4D verification of lung tumor position for stereotactic volumetric modulated arc therapy using respiratory-correlated cone-beam CT ⬇️

scientific article published on July 22, 2012

4D-CBCT reconstruction using MV portal imaging during volumetric modulated arc therapy

scientific article published on 29 September 2011

A newly introduced comprehensive consultation fee in the national health insurance system in Japan: a promotive effect of multidisciplinary medical care in the field of radiation oncology--results from a questionnaire survey

scientific article published on 25 September 2013

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

scientific article

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

scientific article published on 16 March 2016

A retrospective comparison of clinical outcomes and quality of life measures between definitive chemoradiation alone and radical surgery for clinical stage II-III esophageal carcinoma

scientific article published in November 2009

A retrospective study of radiotherapy for spinal bone metastases from hepatocellular carcinoma (HCC).

scientific article published on December 2006

A rod matrix compensator for small-field intensity modulated radiation therapy: a preliminary phantom study

scientific article published in May 2007

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

scientific article published on 9 April 2015

Abscopal effect of radiation on lung metastases of hepatocellular carcinoma: a case report ⬇️

scientific article published on March 19, 2011

Acceptable fetal dose using flattening filter-free volumetric arc therapy (FFF VMAT) in postoperative chemoradiotherapy of tongue cancer during pregnancy

scientific article published on 14 October 2019

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

scientific article published on 14 December 2016

Advanced age is a significant determinant of poor prognosis in patients treated with surgery plus postoperative radiotherapy for endometrial cancer ⬇️

scientific article published on August 1, 2010

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

scientific article

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

scientific article published on March 2014

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

scientific article published on 05 July 2016

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

scientific article published on 4 August 2017

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

scientific article

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

scientific article published on May 21, 2012

Clinical outcome of adjuvant radiotherapy for squamous cell carcinoma of the breast; a multicenter retrospective cohort study

scientific article published on 14 May 2020

Comparison between conventional surgery and radiotherapy for FIGO stage I-II cervical carcinoma: a retrospective Japanese study

scientific article published on 01 June 2005

Comparison between conventional surgery plus postoperative adjuvant radiotherapy and concurrent chemoradiation for FIGO stage IIB cervical carcinoma: a retrospective study

scientific article published on 01 December 2010

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

scientific article published on July 1, 2012

Comparison of volumetric-modulated arc therapy using simultaneous integrated boosts (SIB-VMAT) of 45 Gy/55 Gy in 25 fractions with conventional radiotherapy in preoperative chemoradiation for rectal cancers: a propensity score case-matched analysis

scientific article published on 21 September 2017

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

scientific article published on 19 April 2016

Cone Beam Computed Tomography Image Quality Improvement Using a Deep Convolutional Neural Network.

scientific article

Cone beam computed tomography data acquisition during VMAT delivery with subsequent respiratory phase sorting based on projection image cross-correlation

scientific article published in January 2011

Contrast media-assisted in-treatment cone beam CT during single-isocentre volumetric-modulated arc therapy for multiple brain metastases: a case study

scientific article published on 07 September 2016

Contrast media-assisted visualization of brain metastases by kilovoltage cone-beam CT.

scientific article published in January 2009

Contrast medium-assisted stereotactic image-guided radiotherapy using kilovoltage cone-beam computed tomography

scientific article published on 22 November 2008

Correlation Between Bladder Volume and Irradiated Dose of Small Bowel in CT-based Planning of Intracavitary Brachytherapy for Cervical Cancer ⬇️

scientific article published on February 2, 2012

Correlation among 16 biological factors [p53, p21(waf1), MIB-1 (Ki-67), p16(INK4A), cyclin D1, E-cadherin, Bcl-2, TNF-α, NF-κB, TGF-β, MMP-7, COX-2, EGFR, HER2/neu, ER, and HIF-1α] and clinical outcomes following curative chemoradiation therapy in 1

scientific article published on 11 January 2013

Correlation among six biologic factors (p53, p21(WAF1), MIB-1, EGFR, HER2, and Bcl-2) and clinical outcomes after curative chemoradiation therapy in squamous cell cervical cancer.

scientific article published on 26 December 2008

Corticospinal tract-sparing intensity-modulated radiotherapy treatment planning.

scientific article published on 15 July 2014

Cyst formation after stereotactic radiosurgery for intracranial meningioma.

scientific article published on 13 May 2008

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

scientific article

Details of recurrence sites after elective nodal irradiation (ENI) using 3D-conformal radiotherapy (3D-CRT) combined with chemotherapy for thoracic esophageal squamous cell carcinoma – A retrospective analysis ⬇️

scientific article published on November 11, 2010

Detection of residual metastatic tumor in the brain following Gamma Knife radiosurgery using a single or a series of magnetic resonance imaging scans: An autopsy study

scientific article published on 9 June 2017

Development of a markerless tumor-tracking algorithm using prior four-dimensional cone-beam computed tomography

scientific article published in January 2019

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

scientific article published on 12 March 2013

Dynamic conical conformal radiotherapy using a C-arm–mounted accelerator: dose distribution and clinical application ⬇️

scientific article published on 01 May 2003

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

scientific article published on May 25, 2012

Efficacy and feasibility of ambulatory treatment-based monthly nedaplatin plus S-1 in definitive or salvage concurrent chemoradiotherapy for early, advanced, and relapsed esophageal cancer

scientific article

Efficacy of a hydrogel spacer in three-dimensional conformal radiation therapy for prostate cancer

scientific article published on 01 March 2020

Eleven secondary cancers after hematopoietic stem cell transplantation using a total body irradiation-based regimen in 370 consecutive pediatric and adult patients

scientific article published on 30 August 2013

Eleven-year survivor of unresectable intrahepatic cholangiocarcinoma treated using long-term UFT therapy

scientific article published on November 2008

Enhanced transgene expression in the mouse skeletal muscle infected by the adeno-associated viral vector with the human elongation factor 1alpha promoter and a human chromatin insulator

scientific article published in July 2009

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

scientific article published on 6 July 2016

Evaluation of In Vivo Volumetric Dosimetry for Prostate Cancer Using Electronic Portal Imaging Device.

scientific article published in January 2016

Evaluation of a commercial automatic treatment planning system for prostate cancers

scientific article

Evaluation of heterogeneity dose distributions for Stereotactic Radiotherapy (SRT): comparison of commercially available Monte Carlo dose calculation with other algorithms ⬇️

scientific article published on February 9, 2012

Exceptionally high incidence of symptomatic grade 2-5 radiation pneumonitis after stereotactic radiation therapy for lung tumors.

scientific article published on 7 June 2007

Experimental verification of the utility of positron emitter nuclei generated by photonuclear reactions for X-ray beam monitoring in a phantom

scientific article published on 25 December 2007

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

scientific article published on February 2014

Extended field stereotactic radiosurgery for recurrent glioblastoma ⬇️

scientific article published on December 16, 2011

External beam radiotherapy to treat intra- and extra-hepatic dissemination of hepatocellular carcinoma after radiofrequency thermal ablation

scientific article published on 01 October 2006

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

scientific article published on 9 December 2015

FDG-PET after radiotherapy is a good prognostic indicator of rectal cancer

scientific article published in September 2002

Factors affecting the prognosis of patients with hepatocellular carcinoma invading the portal vein--a retrospective analysis using 952 consecutive HCC patients

scientific article published on 01 November 2003

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

scientific article published on 6 July 2016

Fast Statistical Iterative Reconstruction for Mega-voltage Computed Tomography

scientific article published on 01 January 2020

First In-situ Dose Calculation Report Using In-treatment Kilovoltage Cone-beam CT and In-treatment Linac Parameters during Volumetric Modulated Arc Therapy ⬇️

scientific article published on 01 January 2011

First clinical cone-beam CT imaging during volumetric modulated arc therapy

scientific article published on 04 December 2008

First report on prostate displacements immediately before and after treatment relative to the position during VMAT delivery

scientific article published on 01 January 2009

Flattening filter-free technique in volumetric modulated arc therapy for lung stereotactic body radiotherapy: A clinical comparison with the flattening filter technique.

scientific article

Four-Dimensional Measurement of the Displacement of Internal Fiducial and Skin Markers During 320-Multislice Computed Tomography Scanning of Breast Cancer ⬇️

scientific article published on March 19, 2012

Four-dimensional measurement of the displacement of internal fiducial markers during 320-multislice computed tomography scanning of thoracic esophageal cancer

scientific article published on 01 August 2010

Four-dimensional measurement of the displacement of metal clips or postoperative surgical staples during 320-multislice computed tomography scanning of gastric cancer ⬇️

scientific article published on August 10, 2012

Free radical scavenger edaravone suppresses x-ray-induced apoptosis through p53 inhibition in MOLT-4 cells.

scientific article published on 24 October 2007

Gamma knife surgery for hemangioblastomas

scientific article

Guidelines for respiratory motion management in radiation therapy

scientific article published on 13 December 2012

Heterogeneous expression of DNA-dependent protein kinase in esophageal cancer and normal epithelium.

scientific article

High-dose conformal radiotherapy for supratentorial malignant glioma: a historical comparison.

scientific article published in December 2005

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

scientific article published on 07 January 2013

Histological changes after single high-dose irradiation for squamous cell carcinoma arising from a burn scar

scientific article published on 13 February 2009

Iatrogenic vulvar skin metastases after interstitial radiotherapy for recurrent cervical cancer

scientific article published on 01 December 2009

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

scientific article published on 23 February 2018

Immediate neurological deterioration after gamma knife radiosurgery for acoustic neuroma: case report

scientific article published in December 2013

Impact of Gleason pattern 5 including tertiary pattern 5 on outcomes of salvage treatment for biochemical recurrence in pT2-3N0M0 prostate cancer.

scientific article published on 20 April 2016

Impact of flattening-filter-free techniques on delivery time for lung stereotactic volumetric modulated arc therapy and image quality of concurrent kilovoltage cone-beam computed tomography: a preliminary phantom study.

scientific article published on 26 August 2013

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

scientific article

Improvement of the robustness to set up error by a virtual bolus in total scalp irradiation with Helical TomoTherapy

scientific article published on 23 October 2019

In-treatment 4D cone-beam CT with image-based respiratory phase recognition ⬇️

scientific article published on February 25, 2012

Increased expression of long non-coding RNA XIST predicts favorable prognosis of cervical squamous cell carcinoma subsequent to definitive chemoradiation therapy

scientific article published on 26 August 2016

Independent absorbed-dose calculation using the Monte Carlo algorithm in volumetric modulated arc therapy.

scientific article published on 14 March 2014

Individually wide range of renal motion evaluated by four-dimensional computed tomography

scientific article published on 07 March 2014

Intercomparison of dose distribution between gamma knife and C-arm-mounted linac

scientific article published on July 1, 2003

Interesting response to concurrent chemoradiation in metastatic eccrine porocarcinoma

scientific article published on 01 September 2008

Investigation of the feasibility of a simple method for verifying the motion of a binary multileaf collimator synchronized with the rotation of the gantry for helical tomotherapy ⬇️

scientific article published on January 5, 2012

Involved-field irradiation concurrently combined with nedaplatin/5-fluorouracil for inoperable esophageal cancer on basis of (18)FDG-PET scans: a phase II study

scientific article published on 23 November 2014

Involved-field radiotherapy (IFRT) versus elective nodal irradiation (ENI) in combination with concurrent chemotherapy for 239 esophageal cancers: a single institutional retrospective study

scientific article

Linear accelerator-based stereotactic body radiation therapy in the treatment of oligometastatic disease

scientific article published on 09 June 2020

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

scientific article

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

scientific article published on 11 November 2013

Lung stereotactic radiotherapy for oligometastases: comparison of oligo-recurrence and sync-oligometastases

scientific article published on 09 May 2016

Lung tumor motion reproducibility for five patients who received four-fraction VMAT stereotactic ablative body radiotherapy under constrained breathing conditions: a preliminary study

scientific article published on 25 June 2014

Motion Analysis of Target during Stereotactic Radiotherapy of Lung Tumors Using Volumetric Modulated Arc Therapy ⬇️

scientific article published on 01 January 2012

Motion Analysis of Target in Stereotactic Radiotherapy of Lung Tumors Using 320-row Multidetector CT ⬇️

scientific article published on 01 January 2011

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

scientific article published on 23 April 2014

Optimization of treatment strategy by using a machine learning model to predict survival time of patients with malignant glioma after radiotherapy

scientific article published on 01 November 2019

Oral pilocarpine (5mg t.i.d.) used for xerostomia causes adverse effects in Japanese.

scientific article published on 16 July 2008

Palliative radiation therapy for advanced gastrointestinal cancer.

scientific article published on 18 January 2008

Pathological changes after radiotherapy for primary pituitary carcinoma: a case report.

scientific article published in November 2005

Pathological changes in the gastrointestinal tract of a heavily radiation-exposed worker at the Tokai-mura criticality accident

scientific article published on 12 October 2007

Patient setup error and day-to-day esophageal motion error analyzed by cone-beam computed tomography in radiation therapy

scientific article published in May 2010

Prediction of malignant glioma grades using contrast-enhanced T1-weighted and T2-weighted magnetic resonance images based on a radiomic analysis

scientific article published on 19 December 2019

Preliminary statistical assessment of intervention by a palliative care team working in a Japanese general inpatient unit

scientific article published on 01 February 2007

Preoperative radiation response evaluated by 18-fluorodeoxyglucose positron emission tomography predicts survival in locally advanced rectal cancer.

scientific article published in May 2008

Prescreening based on the presence of CT-scan abnormalities and biomarkers (KL-6 and SP-D) may reduce severe radiation pneumonitis after stereotactic radiotherapy

scientific article

Prevention of calpain-dependent degradation of STK38 by MEKK2-mediated phosphorylation

scientific article published on 05 November 2019

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

scientific article published on 02 June 2016

Prognostic significance of Ku70 protein expression in patients with advanced colorectal cancer.

scientific article published on July 2005

Prospective Trial of Stereotactic Body Radiation Therapy for Both Operable and Inoperable T1N0M0 Non-Small Cell Lung Cancer: Japan Clinical Oncology Group Study JCOG0403.

scientific article published on 11 November 2015

Publisher Correction: Prediction of malignant glioma grades using contrast-enhanced T1-weighted and T2-weighted magnetic resonance images based on a radiomic analysis

scientific article published on 17 February 2020

Quality assurance of volumetric modulated arc therapy using Elekta Synergy

scientific article published on 01 January 2009

Radiation pneumonitis after stereotactic radiation therapy for lung cancer

scientific article published on September 2014

Radiation therapy did not alleviate complete paralysis due to metastasis of lung adenocarcinoma to thoracic vertebrae until four months later

scientific article published on 20 January 2011

Radiation therapy for portal venous invasion by hepatocellular carcinoma

scientific article

Radiation therapy in palliative care of cancer patients

scientific article published on January 2007

Radiation-induced arteritis: thickened wall with prominent enhancement on cranial MR images report of five cases and comparison with 18 cases of Moyamoya disease

scientific article published on 01 June 2002

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

scientific article published on 10 February 2016

Radical Prostatectomy versus External Beam Radiotherapy for cT1-4N0M0 Prostate Cancer: Comparison of Patient Outcomes Including Mortality

scientific article

Radiomics Analysis for Glioma Malignancy Evaluation Using Diffusion Kurtosis and Tensor Imaging

scientific article published on 22 July 2019

Radiophotoluminescence dosimetry using a small spherical glass: a preliminary phantom study

scientific article published on 11 September 2006

Radiotherapy for 41 patients with stages I and II MALT lymphoma: a retrospective study.

scientific article published on 16 April 2008

Radiotherapy for lymph node metastases in patients with hepatocellular carcinoma: retrospective study

scientific article published on 01 April 2007

Relation between acute and late irradiation impairment of four basic tastes and irradiated tongue volume in patients with head-and-neck cancer.

scientific article published on 2 November 2006

Renal dysfunction after total-body irradiation. Significance of selective renal shielding blocks

scientific article published on 01 November 2005

Salvage stereotactic body radiotherapy for post-operative oligo-recurrence of non-small cell lung cancer: A single-institution analysis of 59 patients

scientific article published on 17 February 2020

Semi-radical chemoradiotherapy for 53 esophageal squamous cell carcinomas with supraclavicular lymph node metastasis in a single institutional retrospective study.

scientific article

Single-Arc Volumetric Modulated Arc Therapy Planning for Left Breast Cancer and Regional Nodes ⬇️

scientific article published on January 13, 2012

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

scientific article

Small bowel perforation without tumor recurrence after radiotherapy for cervical carcinoma: report of seven cases

scientific article published on 01 April 2006

Src tyrosine kinase inhibitor PP2 suppresses ERK1/2 activation and epidermal growth factor receptor transactivation by X-irradiation

scientific article published on 18 January 2006

Stereotactic Body Radiotherapy Results for Pulmonary Oligometastases: A Two-Institution Collaborative Investigation.

scientific article

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

scientific article

Stereotactic radiosurgery for skull base meningioma.

scientific article published in October 2009

Suramin sensitizing cells to ionizing radiation by inactivating DNA-dependent protein kinase

scientific article published on September 2004

Survival outcomes after stereotactic body radiotherapy for 79 Japanese patients with hepatocellular carcinoma

scientific article published on 16 February 2015

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

scientific article published on 9 February 2015

Taste dysfunction in patients receiving radiotherapy

scientific article published on 01 June 2006

The development and clinical use of a beam ON-LINE PET system mounted on a rotating gantry port in proton therapy

scientific article published in January 2010

The experience of concurrent chemoradiation for Japanese patients with superficial esophageal squamous cell carcinoma: a retrospective study.

scientific article

The expression pattern of Ku correlates with tumor radiosensitivity and disease free survival in patients with rectal carcinoma

scientific article published in September 2002

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

scientific article

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

scientific article published on 19 December 2017

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

scientific article published on 5 July 2014

The intergroup/RTOG 85-01 concurrent chemoradiation regimen for Japanese esophageal cancer

scientific article published on 01 November 2006

The relationship between the bladder volume and optimal treatment planning in definitive radiotherapy for localized prostate cancer ⬇️

scientific article published on 01 December 2011

Three-dimensional conformal radiotherapy for hepatocellular carcinoma with inferior vena cava invasion

scientific article published on 21 May 2008

Treatment planning and dosimetry of a multi-axis dynamic arc technique for prostate cancer: A comparison with IMRT

scientific article published on 01 January 2006

Treatment results of chemoradiation therapy for localized aggressive lymphomas: A retrospective 20-year study

scientific article published on 12 May 2006

Treatment results of preoperative concurrent chemoradiotherapy followed by surgery for stage III or IV esophageal squamous cell carcinoma

scientific article published on 01 January 2006

Umami taste dysfunction in patients receiving radiotherapy for head and neck cancer

scientific article published on 11 July 2008

Undetected human papillomavirus DNA and uterine cervical carcinoma: Association with cancer recurrence

scientific article published on 20 October 2015

Unique radiation dermatitis related to total body irradiation by helical tomotherapy

scientific article published on 30 April 2016

Up-regulation of DNA-dependent protein kinase activity and Sp1 in colorectal cancer.

scientific article published on August 2004

Urethral dose and increment of international prostate symptom score (IPSS) in transperineal permanent interstitial implant (TPI) of prostate cancer.

scientific article published in October 2008

Validation of planning target volume margins by analyzing intrafractional localization errors for 14 prostate cancer patients based on three-dimensional cross-correlation between the prostate images of planning CT and intrafraction cone-beam CT duri

scientific article published on 22 May 2014

Variability in bladder volumes of full bladders in definitive radiotherapy for cases of localized prostate cancer

scientific article published on 8 November 2010

Verification of in-treatment tumor position using kilovoltage cone-beam computed tomography: a preliminary study.

scientific article published in November 2007

Verification of planning target volume settings in volumetric modulated arc therapy for stereotactic body radiation therapy by using in-treatment 4-dimensional cone beam computed tomography

scientific article published on 5 April 2013

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

scientific article published on 11 July 2014

Views on life and death of physicians, nurses, cancer patients and general population in Japan.

scientific article

Visual enhancement of Cone-beam CT by use of CycleGAN

scientific article published on 03 January 2020

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

scientific article

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

scientific article

[Improvement in Image Quality of CBCT during Treatment by Cycle Generative Adversarial Network]

scientific article published on 01 January 2020

[Multidisciplinary medical care in radiation oncology]

[Radiological clinical practice and its safety in hospital]

scientific article published on 01 March 2012

[Winston-lutz test and acquisition of flexmap using rotational irradiation]

scientific article published on 01 April 2014

hScrib, a human homologue of Drosophila neoplastic tumor suppressor, is a novel death substrate targeted by caspase during the process of apoptosis

scientific article

¹⁰⁶Ruthenium plaque therapy (RPT) for retinoblastoma.

scientific article published on 9 May 2012

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