Publications by authors named "Tomoki Kitagawa"

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Deep inspiration breath-hold reduces esophageal dose in spinal stereotactic body radiotherapy: A feasibility study.
Takahiro Aoyama, Yutaro Koide, Tomoki Kitagawa, Ryoma Tomoda, Shingo Hashimoto

Tech Innov Patient Support Radiat Oncol· December 2025

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Eye-Tracking Analysis in Surface-Guided Radiation Therapy Positioning: A Comparative Study of Experienced and Novice Radiation Therapists.
Hidetoshi Shimizu, Tomoki Kitagawa, Koji Sasaki, Takahiro Aoyama, Naoki Hayashi

J Med Radiat Sci· November 2025

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Impact of Palliative Radiation Therapy on Quality of Life in Patients with Bone Versus Nonbone Lesions: Secondary Analysis of a Prospective Study.
Yutaro Koide, Kenta Nimura, Masamune Noguchi, Tomoki Kitagawa, Takahiro Aoyama

Int J Radiat Oncol Biol Phys· October 2025

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Pain response to palliative radiotherapy in bone metastases vs. non-bone lesions: Prospective study.
Yutaro Koide, Masamune Noguchi, Yurika Shindo, Tomoki Kitagawa, Takahiro Aoyama

Radiother Oncol· July 2025

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Stereotactic body radiation therapy for renal cell carcinoma: a small number of initial clinical experiences.
Takahiro Aoyama, Yutaro Koide, Hidetoshi Shimizu, Tomoki Kitagawa, Tohru Iwata

J Radiat Res· July 2025

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Development of a generic focal spot measurement method suitable for bore-type linacs.
Hidetoshi Shimizu, Kazuharu Nishitani, Tomoki Kitagawa, Koji Sasaki, Takahiro Aoyama

J Appl Clin Med Phys· May 2025

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Quality of Life Report Associated With Pain Response and Patient Classification System for Palliative Radiation Therapy: A Prospective Observational Study.
Yutaro Koide, Yurika Shindo, Masamune Noguchi, Tomoki Kitagawa, Takahiro Aoyama

Int J Radiat Oncol Biol Phys· April 2025

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A cross-national investigation of CT, MRI, PET, mammography, and radiation therapy resources and utilization.
Takahiro Aoyama, Yutaro Koide, Hidetoshi Shimizu, Atsushi Urikura, Tomoki Kitagawa

Jpn J Radiol· January 2025

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Trends in single-fraction palliative radiotherapy across the COVID-19 pandemic in Japan: a nationwide claims study.
Yutaro Koide, Takahiro Aoyama, Masamune Noguchi, Yurika Shindo, Tomoki Kitagawa

J Radiat Res· January 2025

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Spatial accuracy of dose delivery significantly impacts the planning target volume margin in linear accelerator-based intracranial stereotactic radiosurgery.
Yuta Takahashi, Riki Oshika, Rie Tachibana, Katsuyuki Shirai, Hiroshi Asakura, Tomoki Kitagawa

Sci Rep· January 2025

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Development of an external system for monitoring the couch speed in radiotherapy using continuous bed movement.
Hidetoshi Shimizu, Osamu Nakamura, Koji Sasaki, Takahiro Aoyama, Tomoki Kitagawa

J Appl Clin Med Phys· November 2024

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Classification of Patients With Painful Tumors to Predict Response to Palliative Radiation Therapy.
Yutaro Koide, Yurika Shindo, Naoya Nagai, Tomoki Kitagawa, Takahiro Aoyama

Int J Radiat Oncol Biol Phys· September 2024

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Frequency of and risk factors associated with local recurrence after spinal stereotactic body radiation therapy without surgery.
Hidetoshi Shimizu, Yutaro Koide, Shoichi Haimoto, Takahiro Aoyama, Hiroyuki Tachibana, Tomoki Kitagawa

J Neurooncol· September 2024

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Palliative radiotherapy for painful non-bone lesions in patients with advanced cancer: a single center retrospective study.
Yurika Shindo, Yutaro Koide, Naoya Nagai, Tomoki Kitagawa, Takahiro Aoyama

Jpn J Radiol· June 2024

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Re-irradiation spine stereotactic body radiotherapy following high-dose conventional radiotherapy for metastatic epidural spinal cord compression: a retrospective study.
Yutaro Koide, Shoichi Haimoto, Hidetoshi Shimizu, Takahiro Aoyama, Tomoki Kitagawa

Jpn J Radiol· June 2024

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Trends and distribution of external radiation therapy facilities in Japan based on Survey of Medical Institutions from the Ministry of Health, Labour and Welfare.
Takahiro Aoyama, Yutaro Koide, Hidetoshi Shimizu, Tomoki Kitagawa, Tohru Iwata

J Radiat Res· May 2024

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Changing trends in gamma knife surgery to linear accelerator brain stereotactic radiotherapy in Japan: a survey based on the nationwide claims database.
Yutaro Koide, Takahiro Aoyama, Hiroshi Tanaka, Yurika Shindo, Naoya Nagai, Tomoki Kitagawa

Jpn J Radiol· April 2024

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Deep Learning-based Lung dose Prediction Using Chest X-ray Images in Non-small Cell Lung Cancer Radiotherapy.
Takahiro Aoyama, Hidetoshi Shimizu, Yutaro Koide, Hidemi Kamezawa, Jun-Ichi Fukunaga, Tomoki Kitagawa

J Med Phys· March 2024

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Estimation of the risk of secondary cancer in rectum and bladder after radiation therapy for prostate cancer using a feasibility dose-volume histogram.
Takahiro Aoyama, Hidetoshi Shimizu, Yutaro Koide, Tomoki Kitagawa, Hiroyuki Tachibana

Phys Imaging Radiat Oncol· July 2023

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Recent trends of characteristics and treatments in adults with newly diagnosed brain metastases.
Yutaro Koide, Naoya Nagai, Risei Miyauchi, Tomoki Kitagawa, Takahiro Aoyama

Jpn J Clin Oncol· June 2023

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Dosimetric analysis on computed tomography myelography based treatment planning in stereotactic body radiotherapy for spinal metastases.
Hidetoshi Shimizu, Yutaro Koide, Koji Sasaki, Yui Watanabe, Shoichi Haimoto, Tomoki Kitagawa

Med Dosim· April 2023

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Evaluation of a new acrylic-lead shielding device for peripheral dose reduction during cone-beam computed tomography.
Hidetoshi Shimizu, Koji Sasaki, Takahiro Aoyama, Tohru Iwata, Tomoki Kitagawa

BJR Open· November 2022

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Radiotherapy or systemic therapy versus combined therapy in patients with brain metastases: a propensity-score matched study.
Yutaro Koide, Naoya Nagai, Risei Miyauchi, Tomoki Kitagawa, Takahiro Aoyama

J Neurooncol· October 2022

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Development of a device that remotely removes a mask in the head and neck immobilization system: a prototype and demonstration experiment.
Takahiro Aoyama, Hidetoshi Shimizu, Tomoki Kitagawa, Yasunori Ishiguro, Takeshi Kodaira

Radiol Phys Technol· September 2022

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Development of deep learning chest X-ray model for cardiac dose prediction in left-sided breast cancer radiotherapy.
Yutaro Koide, Takahiro Aoyama, Hidetoshi Shimizu, Tomoki Kitagawa, Risei Miyauchi

Sci Rep· August 2022

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