Back to the list
Congress: ECR25
Poster Number: C-10276
Type: Poster: EPOS Radiographer (educational)
DOI: 10.26044/ecr2025/C-10276
Authorblock: H. Hayashi1, S. Goto2, T. Maeda1, K. Takegami3, R. Nishigami1, D. Kobayashi1, T. Asahara4, N. Kimoto5, Y. Kanazawa6; 1Kanazawa/JP, 2Kobe, Hyogo/JP, 3Yamaguchi/JP, 4Okayama/JP, 5Fukuoka/JP, 6Tokushima/JP
Disclosures:
Hiroaki Hayashi: Grant Recipient: JSPS Kakenhi, Japan, 24K03306 Grant Recipient: Research fundings are provided through joint research with Job Co., Ltd. and Meditech Japan Co., Ltd.
Sota Goto: Grant Recipient: JSPS Kakenhi, Japan, 24K21135
Tatsuya Maeda: Grant Recipient: JSPS Kakenhi, Japan, 23KJ1028
Kazuki Takegami: Nothing to disclose
Rina Nishigami: Nothing to disclose
Daiki Kobayashi: Nothing to disclose
Takashi Asahara: Grant Recipient: JSPS Kakenhi, Japan, 24K23055
Natsumi Kimoto: Grant Recipient: Research Collaboration with Job Co., Ltd., Japan
Yuki Kanazawa: Nothing to disclose
Keywords: Lung, Radiation physics, Radiographers, CT, Education, Experimental investigations, Quality assurance
References

[1] Mahesh M, Ansari AJ, Mettler FA. Patient Exposure from Radiologic and Nuclear Medicine Procedures in the United States and Worldwide: 2009–2018. Radiology. 2022;307(1):221263. Doi: 10.1148/radiol.221263

[2] Berrington de GA, Darby S. Risk of cancer from diagnostic X-rays: estimates for the UK and 14 other countries. Lancet. 2004;363(9406):345-351. Doi: 10.1016/S0140-6736(04)15433-0.

[3] Inoue Y, Nagahara K, Kudo H, et al. CT dose modulation using automatic exposure control in whole-body PET/CT: effects of scout imaging direction and arm positioning. American journal of nuclear medicine and molecular imaging. 2018;8(2):143-152.

[4] Takada K, Kondo M, Furukawa M. A comparative study of the CT effective dose in whole-body 18F-FDG PET/CT for arm-raised position and arm-lowered position. Radiography (Lond). 2024;30(1):416-421. Doi: 10.1016/j.radi.2023.12.012.

[5] Takegami K, Hayashi H, Okino H, et al. Practical calibration curve of small-type optically stimulated luminescence (OSL) dosimeter for evaluation of entrance skin dose in the diagnostic X-ray region. Radiological Physics and Technology. 2015;8(2):286-294. Doi: 10.1007/s12194-015-0318-1.

[6] Hayashi H, Kimoto N, Maeda T, et al. A disposable OSL dosimeter for in vivo measurement of rectum dose during brachytherapy. Medical Physics. 2021;48(8):4621-4635. Doi: 10.1002/mp.14857.

[7] Goto S, Hayashi H, Asahara T, et al. An idea to reduce angular dependence of dosimeter having a disk-shaped detection region. Radiation Measurements. 2020;137:106323. Doi: 10.1016/j.radmeas.2020.106323.

[8] Goto S, Hayashi H, Yamaguchi H, et al. Signal-stabilized Al2O3:C-OSL dosimeter “checking chip” for correcting OSL reader sensitivity variation. Radiation Measurements. 2023;160:106893. Doi: 10.1016/j.radmeas.2022.106893.

[9] Hayashi H, Maeda T, Goto S, et al., Direct dose measurement method during chest CT examination by taking into consideration the X-ray incident direction, European Congress of Radiology, EPOS, C-11117, 2024.

[10] Takegami K, Hayashi H, Maeda T, et al., Thyroid dose reduction shield with the generation of less artifacts used for fast chest CT examination, Radiation Physics and Chemistry. 2023;203:110635(12 pages), Doi: 10.1016/j.radphyschem.2022.110635.
GALLERY