Radiation Dose during Transarterial Radioembolization: A Dosimetric Comparison of Cone-Beam CT and Angio-CT Technologies

Author(s):  
Emily L. Marshall ◽  
Samuel Guajardo ◽  
Emily Sellers ◽  
Matthew Gayed ◽  
Zheng Feng Lu ◽  
...  
2021 ◽  
Vol 85 ◽  
pp. 192-199
Author(s):  
Julia Rousseau ◽  
Serge Dreuil ◽  
Céline Bassinet ◽  
Sophie Cao ◽  
Hélène Elleaume

2019 ◽  
Vol 42 (11) ◽  
pp. 1609-1618 ◽  
Author(s):  
Lauranne Piron ◽  
Julien Le Roy ◽  
Christophe Cassinotto ◽  
Julien Delicque ◽  
Ali Belgour ◽  
...  

2020 ◽  
Vol 49 (6) ◽  
pp. 20190495 ◽  
Author(s):  
Durer Iskanderani ◽  
Mats Nilsson ◽  
Per Alstergren ◽  
Xie-Qi Shi ◽  
Kristina Hellen-halme

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).


2019 ◽  
Vol 119 ◽  
pp. 108659 ◽  
Author(s):  
Jan-Peter Grunz ◽  
Andreas Steven Kunz ◽  
Carsten Herbert Gietzen ◽  
Andreas Max Weng ◽  
Maike Veyhl-Wichmann ◽  
...  

2020 ◽  
Vol 123 ◽  
pp. 108789
Author(s):  
Alexander Waldthaler ◽  
Marcus Reuterwall-Hansson ◽  
Urban Arnelo ◽  
Nils Kadesjö

2017 ◽  
Vol 19 (1) ◽  
pp. 174-183 ◽  
Author(s):  
Jarryd G. Buckley ◽  
Dean Wilkinson ◽  
Alessandra Malaroda ◽  
Peter Metcalfe

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