A practical method for measuring rotation angles in partial-angle CT scan by using CTDI phantoms, metal rods, and a real-time dosimeter

Katada K, Kato R, Anno H, Ogura Y, Koga S, Ida Y, et al. Guidance with real-time CT fluoroscopy: early clinical experience. Radiology. 1996;200:851–6. https://doi.org/10.1148/radiology.200.3.8756943.

Article  CAS  PubMed  Google Scholar 

Silverman SG, Tuncali K, Adams DF, Nawfel RD, Zou KH, Judy PF. CT fluoroscopy-guided abdominal interventions: techniques, results, and radiation exposure. Radiology. 1999;212:673–81. https://doi.org/10.1148/radiology.212.3.r99se36673.

Article  CAS  PubMed  Google Scholar 

Froelich JJ, Saar B, Hoppe M, Ishaque N, Walthers EM, Regn J, et al. Real-time CT-fluoroscopy for guidance of percutaneous drainage procedures. J Vasc Interv Radiol. 1998;9:735–40. https://doi.org/10.1016/S1051-0443(98)70383-5.

Article  CAS  PubMed  Google Scholar 

Saika Y, Ogura Y, Doi K, Misaki T, Shimizu M, Narabayashi I. Results and complications of CT-guided biopsy with CT fluoroscopy. Haigan. 2002;42:255–9. https://doi.org/10.2482/haigan.42.255.

Article  Google Scholar 

Carlson SK, Bender CE, Classic KL, Zink FE, Quam JP, Ward EM, et al. Benefits and safety of CT fluoroscopy in interventional radiologic procedures. Radiology. 2001;219:515–20. https://doi.org/10.1148/radiology.219.2.r01ma41515.

Article  CAS  PubMed  Google Scholar 

Kinoshita E, Miyazaki H, Ogawa K, Komiya I, Kato T. Reduction of operator exposure radiation dose and evaluation of image quality using half scan in CT fluoroscopy. Jpn J Radiol Technol. 2020;76:1266–75. https://doi.org/10.6009/jjrt.2020_JSRT_76.12.1266.

Article  Google Scholar 

Kato N, Yuki I, Ishibashi T, Ikemura A, Kan I, Nishimura K, et al. Visualization of stent apposition after stent-assisted coiling of intracranial aneurysms using high resolution 3D fusion images acquired by C-arm CT. J Neurointerv Surg. 2020;12:192–6. https://doi.org/10.1136/neurintsurg-2019-014966.

Article  PubMed  Google Scholar 

Söderman M, Babic D, Homan R, Andersson T. 3D roadmap in neuroangiography: technique and clinical interest. Neuroradiology. 2005;47:735–40. https://doi.org/10.1007/s00234-005-1417-1.

Article  PubMed  Google Scholar 

Supanich M, Siewerdsen J, Fahrig R, Farahani K, Gang GJ, Helm P, et al. AAPM Task Group Report 238. AAPM Task Group Report 238: 3D C-arms with volumetric imaging capability. Med Phys. 2023;50:e904–45. https://doi.org/10.1002/mp.16245.

Article  PubMed  PubMed Central  Google Scholar 

Knott EA, Troville JL, Reynoso CA, Rose SD, Wagner MG, Lee FT, et al. Physician scatter dose in interventional CT fluoroscopy. J Appl Clin Med Phys. 2024;25:e14355. https://doi.org/10.1002/acm2.14355.

Article  PubMed Central  Google Scholar 

Fukuda A, Lin PJP, Matsubara K, Miyati T. Measurement of gantry rotation time in modern CT. J Appl Clin Med Phys. 2014;15:4517. https://doi.org/10.1120/jacmp.v15i1.4517.

Article  PubMed  PubMed Central  Google Scholar 

Radiological protection in. cone beam computed tomography (CBCT). ICRP Publication 129; 2015.

Nakayama R, Matsubara K. The study for standardization of dose evaluation method in cone-beam CT. Nippon Hoshasen Gijutsu Gakkai Zasshi. 2024;80:374–84. https://doi.org/10.6009/jjrt.2024-1435.

Article  CAS  Google Scholar 

Seguchi S, Saijou T, Ishikawa Y, Koyama S. Radiation dose evaluation in 3D rotation angiography and cone-beam computed tomography with a flat panel detector. Jpn J Radiol Technol. 2014;70:646–52. https://doi.org/10.6009/jjrt.2014_JSRT_70.7.646.

Article  Google Scholar 

Haba T, Yasui K, Saito Y, Kobayashi M, Koyama S. A new cone-beam computed tomography dosimetry method providing optimal measurement positions: A Monte Carlo study. Phys Med. 2021;81:130–40. https://doi.org/10.1016/j.ejmp.2020.12.003.

Article  PubMed  Google Scholar 

Hwang Y-S, Tsai H-Y, Lin Y-Y, Lui K-W. Investigations of organ and effective doses of abdominal cone-beam computed tomography during transarterial chemoembolization using Monte Carlo simulation. BMC Med Imaging. 2018;18:2. https://doi.org/10.1186/s12880-018-0247-7.

Article  PubMed  PubMed Central  Google Scholar 

Abuhaimed A, Martin CJ, Sankaralingam M, Gentle DJ. A Monte Carlo investigation of cumulative dose measurements for cone beam computed tomography (CBCT) dosimetry. Phys Med Biol. 2015;60:1519–42. https://doi.org/10.1088/0031-9155/60/4/1519.

Article  PubMed  Google Scholar 

Hubbell JH, Seltzer SM, NIST IR, National Institute of Standards and Technology. MD: 1995 p p. 5632. Report No.: nist ir 5632. https://doi.org/10.6028/. NIST.IR.5632. Tables of X-ray mass attenuation coefficients and mass energy-absorption coefficients 1 keV to 20 MeV for elements Z = 1 to 92 and 48 additional substances of dosimetry interest. Gaithersburg.

ICRP Publication 102. Managing patient dose in multi-detector computed tomography (MDCT). Ann ICRP. 2007.

Hirayama H, Namito Y, Bielajew AF et al. The EGS5 code system; 2005.

Verfaillie G, Rutten J, Dewulf L, D’Asseler Y, Bacher K. Influence of x-ray spectrum and bowtie filter characterisation on the accuracy of Monte Carlo simulated organ doses: validation in a whole-body CT scanning mode. Phys Med. 2024;127:104837. https://doi.org/10.1016/j.ejmp.2024.104837.

Article  PubMed  Google Scholar 

Tucker DM, Barnes GT, Chakraborty DP. Semiempirical model for generating tungsten target x-ray spectra. Med Phys. 1991;18:211–8. https://doi.org/10.1118/1.596709.

Article  CAS  PubMed  Google Scholar 

McKenney SE, Nosratieh A, Gelskey D, Yang K, Huang SY, Chen L, et al. Experimental validation of a method characterizing bow tie filters in CT scanners using a real-time dose probe. Med Phys. 2011;38:1406–15. https://doi.org/10.1118/1.3551990.

Article  PubMed  PubMed Central  Google Scholar 

Lin P-JP, Beck TJ, Borras C, Cohen G, Jucius RA, Kriz RJ, et al. Specification and acceptance testing of computed tomography scanners. American Association of Physicists in Medicine; 1993. https://doi.org/10.37206/38.

Kim S, Song H, Samei E, Yin FF, Yoshizumi TT. Computed tomography dose index and dose length product for cone-beam CT: Monte Carlo simulations of a commercial system. J Appl Clin Med Phys. 2011;12:3395. https://doi.org/10.1120/jacmp.v12i2.3395.

Article  PubMed  PubMed Central  Google Scholar 

Ichikawa N, Matsubara K, Fukuda A, Yamamoto H. Measurement accuracy of CT beam width with a portable flat-panel detector. Nippon Hoshasen Gijutsu Gakkai Zasshi. 2020;76:161–7. https://doi.org/10.6009/jjrt.2020_JSRT_76.2.161.

Article  Google Scholar 

Berger MJ, Coursey JS, Zucker MA, et al. Stopping-power & range tables for electrons, protons, and helium ions. NIST Standard Ref Database. 2017. https://doi.org/10.18434/T4NC7P. 124 Physical measurement laboratory.

Article  Google Scholar 

Fukuda A, Lin PJP, Matsubara K, Miyati T. Evaluation of gantry rotation overrun in axial CT scanning. J Appl Clin Med Phys. 2014;15:4901. https://doi.org/10.1120/jacmp.v15i5.4901.

Article  PubMed  PubMed Central  Google Scholar 

Orth RC, Wallace MJ, Kuo MD, Technology Assessment Committee of the Society of Interventional Radiology. C-arm cone-beam CT: general principles and technical considerations for use in interventional radiology. J Vasc Interv Radiol. 2009;20(Suppl):S538-44. https://doi.org/10.1016/j.jvir.2009.04.026.

Article  PubMed  Google Scholar 

Mendes M, Costa F, Figueira C, Madeira P, Teles P, Vaz P. Assessment of patient dose reduction by bismuth shielding in CT using measurements, GEANT4 and MCNPX simulations. Radiat Prot Dosim. 2015;165:175–81. https://doi.org/10.1093/rpd/ncv059.

Article  CAS  Google Scholar 

Bostani M, McMillan K, DeMarco JJ, Cagnon CH, McNitt-Gray MF. Validation of a Monte Carlo model used for simulating tube current modulation in computed tomography over a wide range of phantom conditions/challenges. Med Phys. 2014;41:112101. https://doi.org/10.1118/1.4887807.

Article  PubMed  PubMed Central  Google Scholar 

Sharma S, Kapadia A, Fu W, Abadi E, Segars WP, Samei E. A real-time Monte Carlo tool for individualized dose estimations in clinical CT. Phys Med Biol. 2019;64:215020. https://doi.org/10.1088/1361-6560/ab467f.

Article  CAS  PubMed  PubMed Central  Google Scholar 

Verfaillie G, Rutten J, D’Asseler Y, Bacher K. Accuracy of patient-specific CT organ doses from Monte Carlo simulations: influence of CT-based voxel models. Phys Eng Sci Med. 2024;47:989–1000. https://doi.org/10.1007/s13246-024-01422-z.

Article  PubMed  PubMed Central  Google Scholar 

Lefol RO, Lemaréchal Y, Sagona A, Boivin J, Joubert P, Després P. Fast personalized CT dose calculations with GPUMCD. Physica Medica. 2026;141:105693. https://doi.org/10.1016/j.ejmp.2025.105693.

Article  PubMed 

Comments (0)

No login
gif