Imaging Science in Dentistry

Korean Academy of Oral and Maxillofacial Radiology (대한영상치의학회)
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Volumetric accuracy of cone-beam computed tomography

  • Park, Cheol-Woo (Department of Oral and Maxillofacial Radiology, Graduate School, Kyung Hee University) ;
  • Kim, Jin-ho (Department of Oral and Maxillofacial Radiology, Graduate School, Kyung Hee University) ;
  • Seo, Yu-Kyeong (Department of Oral and Maxillofacial Radiology, Graduate School, Kyung Hee University) ;
  • Lee, Sae-Rom (Department of Oral and Maxillofacial Radiology, Graduate School, Kyung Hee University) ;
  • Kang, Ju-Hee (Department of Oral and Maxillofacial Radiology, Graduate School, Kyung Hee University) ;
  • Oh, Song-Hee (Department of Oral and Maxillofacial Radiology, Graduate School, Kyung Hee University) ;
  • Kim, Gyu-Tae (Department of Oral and Maxillofacial Radiology, Graduate School, Kyung Hee University) ;
  • Choi, Yong-Suk (Department of Oral and Maxillofacial Radiology, Graduate School, Kyung Hee University) ;
  • Hwang, Eui-Hwan (Department of Oral and Maxillofacial Radiology, Graduate School, Kyung Hee University)
  • Received : 2017.04.02
  • Accepted : 2017.06.01
  • Published : 2017.09.30
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Abstract

Purpose: This study was performed to investigate the influence of object shape and distance from the center of the image on the volumetric accuracy of cone-beam computed tomography (CBCT) scans, according to different parameters of tube voltage and current. Materials and Methods: Four geometric objects(cylinder, cube, pyramid, and hexagon) with predefined dimensions were fabricated. The objects consisted of Teflon-perfluoroalkoxy embedded in a hydrocolloid matrix (Dupli-Coe-Loid TM; GC America Inc., Alsip, IL, USA), encased in an acrylic resin cylinder assembly. An Alphard Vega Dental CT system (Asahi Roentgen Ind. Co., Ltd, Kyoto, Japan) was used to acquire CBCT images. OnDemand 3D (CyberMed Inc., Seoul, Korea) software was used for object segmentation and image analysis. The accuracy was expressed by the volume error (VE). The VE was calculated under 3 different exposure settings. The measured volumes of the objects were compared to the true volumes for statistical analysis. Results: The mean VE ranged from -4.47% to 2.35%. There was no significant relationship between an object's shape and the VE. A significant correlation was found between the distance of the object to the center of the image and the VE. Tube voltage affected the volume measurements and the VE, but tube current did not. Conclusion: The evaluated CBCT device provided satisfactory volume measurements. To assess volume measurements, it might be sufficient to use serial scans with a high resolution, but a low dose. This information may provide useful guidance for assessing volume measurements.

Keywords

References

  1. Palomo L, Palomo JM. Cone beam CT for diagnosis and treatment planning in trauma cases. Dent Clin North Am 2009; 53: 717-27. https://doi.org/10.1016/j.cden.2009.07.001
  2. Scarfe WC, Farman AG, Sukovic P. Clinical applications of cone-beam computed tomography in dental practice. J Can Dent Assoc 2006; 72: 75-80.
  3. Landi A, Marina R, DeGrandi C, Crespi A, Montanari G, Sganzerla EP, et al. Accuracy of stereotactic localization with magnetic resonance compared to CT scan: experimental findings. Acta Neurochir (Wien) 2001; 143: 593-601. https://doi.org/10.1007/s007010170064
  4. Karger CP, Hipp P, Henze M, Echner G, Hoss A, Schad L, et al. Stereotactic imaging for radiotherapy: accuracy of CT, MRI, PET and SPECT. Phys Med Biol 2003; 48: 211-21. https://doi.org/10.1088/0031-9155/48/2/305
  5. Hilgers ML, Scarfe WC, Scheetz JP, Farman AG. Accuracy of linear temporomandibular joint measurements with cone beam computed tomography and digital cephalometric radiography. Am J Orthod Dentofacial Orthop 2005; 128: 803-11. https://doi.org/10.1016/j.ajodo.2005.08.034
  6. Yamamoto K, Ueno K, Seo K, Shinohara D. Development of dento-maxillofacial cone beam X-ray computed tomography system. Orthod Craniofac Res 2003; 6 Suppl 1: 160-2. https://doi.org/10.1034/j.1600-0544.2003.249.x
  7. Mozzo P, Procacci C, Tacconi A, Martini PT, Andreis IA. A new volumetric CT machine for dental imaging based on the cone-beam technique: preliminary results. Eur Radiol 1998; 8: 1558-64. https://doi.org/10.1007/s003300050586
  8. Marmulla R, Wortche R, Muhling J, Hassfeld S. Geometric accuracy of the NewTom 9000 cone beam CT. Dentomaxillofac Radiol 2005; 34: 28-31. https://doi.org/10.1259/dmfr/31342245
  9. Lascala CA, Panella J, Marques MM. Analysis of the accuracy of linear measurements obtained by cone beam computed tomography (CBCT-NewTom). Dentomaxillofac Radiol 2004; 33: 291-4. https://doi.org/10.1259/dmfr/25500850
  10. Pinsky HM, Dyda S, Pinsky RW, Misch KA, Sarment DP. Accuracy of three-dimensional measurements using cone-beam CT. Dentomaxillofac Radiol 2006; 35: 410-6. https://doi.org/10.1259/dmfr/20987648
  11. Kobayashi K, Shimoda S, Nakagawa Y, Yamamoto A. Accuracy in measurement of distance using limited cone-beam computerized tomography. Int J Oral Maxillofac Implants 2004; 19: 228-31.
  12. Larici AR, Storto ML, Torge M, Mereu M, Molinari F, Maggi F, et al. Automated volumetry of pulmonary nodules on multidetector CT: influence of slice thickness, reconstruction algorithm and tube current. Preliminary results. Radiol Med 2008; 113: 29-42. https://doi.org/10.1007/s11547-008-0231-3
  13. Ravenel JG, Leue WM, Nietert PJ, Miller JV, Taylor KK, Silvestri GA. Pulmonary nodule volume: effect of reconstruction parameters on automated measurements - a phantom study. Radiology 2008; 247: 400-8. https://doi.org/10.1148/radiol.2472070868
  14. Way TW, Chan HP, Goodsitt MM, Sahiner B, Hadjiiski LM, Zhou C, et al. Effect of CT scanning parameters on volumetric measurements of pulmonary nodules by 3D active contour segmentation: a phantom study. Phys Med Biol 2008; 53: 1295-312. https://doi.org/10.1088/0031-9155/53/5/009
  15. Van Hoe L, Haven F, Bellon E, Baert AL, Bosmans H, Feron M, et al. Factors influencing the accuracy of volume measurements in spiral CT: a phantom study. J Comput Assist Tomogr 1997; 21: 332-8. https://doi.org/10.1097/00004728-199703000-00034
  16. Goo JM, Tongdee T, Tongdee R, Yeo K, Hildebolt CF, Bae KT. Volumetric measurement of synthetic lung nodules with multi-detector row CT: effect of various image reconstruction parameters and segmentation thresholds on measurement accuracy. Radiology 2005; 235: 850-6. https://doi.org/10.1148/radiol.2353040737
  17. Ko JP, Rusinek H, Jacobs EL. Babb JS, Betke M, McGuinness G, et al. Small pulmonary nodules: volume measurement at chest CT - phantom study. Radiology 2003; 223: 864-70.
  18. Winer-Muram HT, Jennings SG, Meyer CA, Liang Y, Aisen AM, Tarver RD, et al. Effect of varying CT section width on volumetric measurement of lung tumors and application of compensatory equations. Radiology 2003; 229: 184-94. https://doi.org/10.1148/radiol.2291020859
  19. Kostis WJ, Yankelevitz DF, Reeves AP, Fluture SC, Henschke CI. Small pulmonary nodules: reproducibility of three-dimensional volumetric measurement and estimation of time to follow-up CT. Radiology 2004; 231: 446-52. https://doi.org/10.1148/radiol.2312030553
  20. Loubele M, Maes F, Schutyser F, Marchal G, Jacobs R, Suetens P. Assessment of bone segmentation quality of cone-beam CT versus multislice spiral CT: a pilot study. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2006; 102: 225-34. https://doi.org/10.1016/j.tripleo.2005.10.039
  21. Shi H, Scarfe WC, Farman AG. Three-dimensional reconstruction of individual cervical vertebrae from cone-beam computed-tomography images. Am J Orthod Dentofacial Orthop 2007; 131: 426-32. https://doi.org/10.1016/j.ajodo.2005.12.031
  22. Blake ME, Soto JA, Hayes RA, Ferrucci JT. Automated volumetry at CT colonography: a phantom study. Acad Radiol 2005; 12: 608-13. https://doi.org/10.1016/j.acra.2005.01.013
  23. Ramaseshan R, Heydarian M. Comprehensive quality assurance for stereotactic radiosurgery treatments. Phys Med Biol 2003; 48: N199-205. https://doi.org/10.1088/0031-9155/48/14/402
  24. Disler DG, Marr DS, Rosenthal DI. Accuracy of volume measurements of computed tomography and magnetic resonance imaging phantoms by three-dimensional reconstruction and preliminary clinical application. Invest Radiol 1994; 29: 739-45. https://doi.org/10.1097/00004424-199408000-00002
  25. Katsumata A, Hirukawa A, Noujeim M, Okumura S, Naitoh M, Fujishita M, et al. Image artifact in dental cone-beam CT. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2006; 101: 652-7. https://doi.org/10.1016/j.tripleo.2005.07.027

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