Presentations -
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Technological development of the relationship measurement between surface and internal doses during helical CT examinations: a phantom study
Kazuki TAKEGAMI, Tatsuya MAEDA, Takashi ASAHARA, Natsumi KIMOTO, Rina NISHIGAMI, Daiki KOBAYASHI, Hiroaki HAYASHI
21st International Conference on Solid State Dosimetry (SSD21) 2025.6
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Impact of different X-ray tube positions on dose measurement results during CT examinations
Hiroaki HAYASHI, Tatsuya MAEDA, Kazuki TAKEGAMI, Sota GOTO, Rina NISHIGAMI, Daiki KOBAYASHI, Takashi ASAHARA, Natsumi KIMOTO, Yuki KANAZAWA, Kazuta YAMASHITA, Takeshi KONISHI, Motochika MAKI
21st International Conference on Solid State Dosimetry (SSD21) 2025.6
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X-ray dose determination of medical staff during fluoroscopic examination: A novel wearable dosimeter system that can analyze incident direction of radiation
Takashi ASAHARA, Tatsuya MAEDA, Rina NISHIGAMI, Daiki KOBAYASHI, Sota GOTO, Natsumi KIMOTO, Kazuki TAKEGAMI, Mitsugi HONDA, Toshihiro IGUCHI, Hiroaki HAYASHI
21st International Conference on Solid State Dosimetry (SSD21) 2025.6
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Development of active-type OSL dosimeter for measuring patient surface dose during CT examinations
Sota GOTO, Takuya KASUE, Keiji TAKAHISA, Tatsuya MAEDA, Kazuki TAKEGAMI, Takashi ASAHARA, Natsumi KIMOTO, Hiroaki HAYASHI
21st International Conference on Solid State Dosimetry (SSD21) 2025.6
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医療被ばく実測に向けたCT画像への影響の少ないリアルタイムOSL線量計の開発
後藤 聡汰, 霞末 拓也, 高久 圭二, 前田 達哉, 竹上 和希, 淺原 孝, 林 裕晃
第81回日本放射線技術学会総会学術大会(JRC2025) 2025.4
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Photon Counting Detector CTで生成したハイドロキシアパタイト画像を用いた冠動脈プラーク定量評価の臨床試験
三谷 愛, 淺原 孝, 森光 祐介, 赤木 憲明, 井上 智洋, 林 裕晃, 本田 貢
第81回日本放射線技術学会総会学術大会(JRC2025) 2025.4
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Novel procedure to derive relationship between surface and internal doses taking into consideration X-ray incident direction during helical CT examinations
Kazuki Takegami, Tatsuya Maeda, Sota Goto, Takashi Asahara, Natsumi Kimoto, Rina Nishigami, Daiki Kobayashi, Hiroaki Hayashi
The 4th International Conference on Radiological Physics and Technology (ICRPT) 2025.4
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Effective Atomic Number Score in Calcified Plaque Evaluation: Approach Using Photon-Counting CT
Takashi Asahara, Mana Ikegami, Natsumi Kimoto, Rina Nishigami, Yusuke Morimitsu, Noriaki Akagi, Mitsugi Honda, Toru Miyoshi, Hiroaki Hayashi, Toshihiro Iguchi
The 4th International Conference on Radiological Physics and Technology (ICRPT) 2025.4
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A novel algorithm for generating virtual high-contrast images based on X-ray attenuation analysis using an energy-resolving photon-counting detector
Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Natsumi Kimoto, Takashi Asahara, Tatsuya Maeda, Sota Goto, Yuki Kanazawa, Tomonobu Haba, Shuichiro Yamamoto
The 4th International Conference on Radiological Physics and Technology (ICRPT) 2025.4
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Functional imaging using energy-resolving photon counting detector at the high-counting-rate clinical condition
Natsumi Kimoto, Rina Nishigami, Daiki Kobayashi, Takashi Asahara, Tatsuya Maeda, Sota Goto, Akitoshi Katsumata, Shuichiro Yamamoto, Hiroaki Hayashi
European Congress of Radiology (ECR) 2025.3
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Patient CT dosimetry using an OSL dosimeter with consideration for X-ray incident direction
Hiroaki Hayashi, Sota Goto, Tatsuya Maeda, Kazuki Takegami, Rina Nishigami, Daiki Kobayashi, Takashi Asahara, Natsumi Kimoto, Yuki Kanazawa
European Congress of Radiology (ECR) 2025.3
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Dental forensic application of effective atomic number images generated using photon-counting CT
Takashi Asahara, Hiroaki Hayashi, Shunsuke Okada, Chihiro Yamaguchi, Natsumi Kimoto, Sota Goto, Rina Nishigami, Yusuke Morimitsu, Toshihiro Iguchi
European Congress of Radiology (ECR) 2025.3
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How can we use effective atomic number information generated by photon-counting computed tomography? – A proposal for application to dental forensics –
Takashi Asahara, Hiroaki Hayashi, Shunsuke Okada, Tatsuya Maeda, Natsumi Kimoto, Rina Nishigami, Daiki Kobayashi, Chihiro Yamaguchi, Yusuke Morimitsu, Noriaki Akagi, Toshihiro Iguchi
The 110th Scientific Assembly and Annual Meeting of the Radiological Society of North America (RSNA) 2024.12
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フォトンカウンティングCTにおける耳小骨画像の再構成関数の検討
西井 宗一郎, 生口 俊浩, 森光 祐介, 梶﨑 創太, 淺原 孝, 井上 爽, 赤木 憲明, 本田 貢
第1回 日本放射線医療技術学術大会 2024.10
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Photon Counting Detector CTを用いた冠動脈プラークの解析手法の提案
池上 愛, 淺原 孝, 森光 祐介, 赤木 憲明, 井上 智洋, 林 裕晃, 本田 貢
第20回 中四国放射線医療技術フォーラム 2024.10
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Pulse Pile-up Correction of Objects with Various Atomic Numbers for Clinical Applications Using a Photon Counting Detector
Natsumi Kimoto, Hiroaki Hayashi, Rina Nishigami, Daiki Kobayashi, Takashi Asahara, Tatsuya Maeda, Akitoshi Katsumata, Shuichiro Yamamoto
The 2024 IEEE Nuclear Science Symposium and Medical Imaging Conference 2024.10
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Clinical study of patient surface dose measurement taking into consideration the differences of the X-ray incident angle during chest CT examination
Sota Goto, Hiroaki Hayashi, Tatsuya Maeda, Daiki Kobayashi, Takashi Asahara, Natsumi Kimoto, Yuki Kanazawa, Kazuta Yamashita, Kosaku Higashino, Shinya Takarabe, Taku Kuramoto
24th Asia-Oceania Congress of Medical Physics (AOCMP) 2024.10
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System design to realize functional and conventional images during single X-ray irradiation using a photon counting detector
Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Tatesuya Maeda, Takashi Asahara, Yuki Kanazawa, Natsumi Kimoto, Shuichiro Yamamoto
The 2024 IEEE Nuclear Science Symposium and Medical Imaging Conference 2024.10
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Lu-177を用いた核医学治療における医療従事者の水晶体被ばく防護に向けた鉛遮蔽効果のシミュレーション評価
井上 爽, 淺原 孝, 生口 俊浩, 長谷川 大輔, 吉富 敬祐, 後藤 聡汰
第20回 中国四国放射線医療技術フォーラム 2024.10
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Photon counting detector CTを用いた線量計算におけるCT値-電子密度の変換精度の評価
辻村 萌, 淺原 孝, 森下 和恭, 田辺 悦章, 生口 俊浩, 青山 英樹, 大塚 裕太, 河合 佑太, 本田 貢, 吉尾 浩太郎
第20回 中国四国放射線医療技術フォーラム 2024.10