scholarly journals Mobile C-arm cone-beam CT for guidance of spine surgery: Image quality, radiation dose, and integration with interventional guidance

2011 ◽  
Vol 38 (8) ◽  
pp. 4563-4574 ◽  
Author(s):  
S. Schafer ◽  
S. Nithiananthan ◽  
D. J. Mirota ◽  
A. Uneri ◽  
J. W. Stayman ◽  
...  
Keyword(s):  
Image Quality ◽  
Radiation Dose ◽  
Spine Surgery ◽  
Cone Beam Ct ◽  
Cone Beam ◽  
Interventional Guidance

scholarly journals Surgivisio® and O-arm®O2 cone beam CT mobile systems for guidance of lumbar spine surgery: Comparison of patient radiation dose

2021 ◽  
Vol 85 ◽  
pp. 192-199
Author(s):  
Julia Rousseau ◽  
Serge Dreuil ◽  
Céline Bassinet ◽  
Sophie Cao ◽  
Hélène Elleaume
Keyword(s):  
Lumbar Spine ◽  
Radiation Dose ◽  
Spine Surgery ◽  
Cone Beam Ct ◽  
Mobile Systems ◽  
Cone Beam ◽  
Lumbar Spine Surgery ◽  
Patient Radiation Dose

scholarly journals Evaluation of a low-dose protocol for cone beam computed tomography of the temporomandibular joint

2020 ◽  
Vol 49 (6) ◽  
pp. 20190495 ◽  
Author(s):  
Durer Iskanderani ◽  
Mats Nilsson ◽  
Per Alstergren ◽  
Xie-Qi Shi ◽  
Kristina Hellen-halme
Keyword(s):  
Image Quality ◽  
Radiation Dose ◽  
Temporomandibular Joint ◽  
Low Dose ◽  
Cone Beam Ct ◽  
Cone Beam ◽  
Sign Test ◽  
Intraobserver Agreement ◽  
Radiographic Findings ◽  
Need To Evaluate

Objective: Evaluation of cone beam CT (CBCT) examination with a low-dose scanning protocol for assessment of the temporomandibular joint (TMJ). Methods: 34 adult patients referred for CBCT imaging of the TMJ underwent two examinations with two scanning protocols, a manufacturer-recommended protocol (default) and a low-dose protocol where the tube current was reduced to 20% of the default protocol. Three image stacks were reconstructed: default protocol, low-dose protocol, and processed (using a noise reduction algorithm) low-dose protocol. Four radiologists evaluated the images. The Sign test was used to evaluate visibility of TMJ anatomic structures and image quality. Receiver operating characteristic analyzes were performed to assess the diagnostic accuracy. κ values were used to evaluate intraobserver agreement. Results: With the low-dose and processed protocols, visibility of the TMJ anatomical structures and overall image quality were comparable to the default protocol. No significant differences in radiographic findings were found for the two low-dose protocols compared to the default protocol. The area under the curves (Az) averaged for the low-dose and processed protocols, according to all observers, were 0.931 and 0.941, respectively. Intraobserver agreement was good to very good. Conclusion: For the CBCT unit used in this study, the low-dose CBCT protocol for TMJ examination was diagnostically comparable to the manufacturer-recommended protocol, but delivered a five times lower radiation dose. There is an urgent need to evaluate protocols for CBCT examinations of TMJ in order to optimize them for a radiation dose as low as diagnostically acceptable (the as low as diagnostically acceptable principle recommended by NCRP).

3D cone-beam CT of the ankle using a novel twin robotic X-ray system: Assessment of image quality and radiation dose

2019 ◽  
Vol 119 ◽  
pp. 108659 ◽  
Author(s):  
Jan-Peter Grunz ◽  
Andreas Steven Kunz ◽  
Carsten Herbert Gietzen ◽  
Andreas Max Weng ◽  
Maike Veyhl-Wichmann ◽  
...  
Keyword(s):  
Image Quality ◽  
Radiation Dose ◽  
Cone Beam Ct ◽  
Cone Beam ◽  
X Ray ◽  
System Assessment

Multifunctional X-Ray System for Cone Beam CT Imaging of the Wrist: Evaluation of Image Quality and Radiation Dose

2020 ◽  
Author(s):  
Jan-Peter Grunz ◽  
Carsten Herbert Gietzen ◽  
Andreas Steven Kunz ◽  
Maike Veyhl-Wichmann ◽  
Süleyman Ergün ◽  
...  
Keyword(s):  
Image Quality ◽  
Radiation Dose ◽  
Cone Beam Ct ◽  
Ct Imaging ◽  
Cone Beam ◽  
X Ray

Cone-Beam CT for Breast Imaging: Radiation Dose, Breast Coverage, and Image Quality

2010 ◽  
Vol 195 (2) ◽  
pp. 496-509 ◽  
Author(s):  
Avice O'Connell ◽  
David L. Conover ◽  
Yan Zhang ◽  
Posy Seifert ◽  
Wende Logan-Young ◽  
...  
Keyword(s):  
Image Quality ◽  
Radiation Dose ◽  
Breast Imaging ◽  
Cone Beam Ct ◽  
Cone Beam

Optimization of image quality and radiation dose using different cone-beam CT exposure parameters

2019 ◽  
Vol 116 ◽  
pp. 68-75
Author(s):  
Ibrahim Yel ◽  
Christian Booz ◽  
Moritz H. Albrecht ◽  
Tatjana Gruber-Rouh ◽  
Christoph Polkowski ◽  
...  
Keyword(s):  
Image Quality ◽  
Radiation Dose ◽  
Cone Beam Ct ◽  
Cone Beam

Twin Robotic X-Ray System for 3D Cone-Beam CT of the Wrist: An Evaluation of Image Quality and Radiation Dose

2020 ◽  
Vol 214 (2) ◽  
pp. 422-427 ◽  
Author(s):  
Jan-Peter Grunz ◽  
Carsten H. Gietzen ◽  
Andreas S. Kunz ◽  
Andreas M. Weng ◽  
Maike Veyhl-Wichmann ◽  
...  
Keyword(s):  
Image Quality ◽  
Radiation Dose ◽  
Cone Beam Ct ◽  
Cone Beam ◽  
X Ray
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