scholarly journals Prospective randomized trial comparing cone-beam CT (CBCT) navigation vs. conventional CT for biopsies

2013 ◽  
Vol 24 (4) ◽  
pp. S179
Author(s):  
N. Abi-Jaoudeh ◽  
J. Lee ◽  
E. Levy ◽  
A. Venkatesan ◽  
B.J. Wood
Keyword(s):  
Randomized Trial ◽  
Cone Beam Ct ◽  
Prospective Randomized Trial ◽  
Cone Beam ◽  
Conventional Ct

scholarly journals Prospective Randomized Trial for Image-Guided Biopsy Using Cone-Beam CT Navigation Compared with Conventional CT

2016 ◽  
Vol 27 (9) ◽  
pp. 1342-1349 ◽  
Author(s):  
Nadine Abi-Jaoudeh ◽  
Teresa Fisher ◽  
John Jacobus ◽  
Marlene Skopec ◽  
Alessandro Radaelli ◽  
...  
Keyword(s):  
Randomized Trial ◽  
Cone Beam Ct ◽  
Prospective Randomized Trial ◽  
Cone Beam ◽  
Image Guided ◽  
Guided Biopsy ◽  
Conventional Ct

scholarly journals Imaging artifacts of Onyx and PHIL on conventional CT, cone-beam CT and MRI in an animal model

2018 ◽  
Vol 24 (6) ◽  
pp. 693-701 ◽  
Author(s):  
Dominik F Vollherbst ◽  
Ruth Otto ◽  
Thuy Do ◽  
Hans U Kauczor ◽  
Martin Bendszus ◽  
...  
Keyword(s):  
Cone Beam Ct ◽  
Cone Beam ◽  
Embolic Agent ◽  
In Vivo Model ◽  
Ethylene Vinyl Alcohol ◽  
Embolic Agents ◽  
Liquid Embolic ◽  
Conventional Ct ◽  
Ct And Mri

Background and purpose A frequently reported drawback of ethylene vinyl alcohol copolymer-based liquid embolic agents is the production of artifacts in diagnostic imaging. New embolic agents, such as Precipitating hydrophobic injectable liquid (PHIL; MicroVention, Tustin, CA, USA), are supposed to induce significantly fewer artifacts. The purpose of this study is to assess the degree of artifacts induced by the liquid embolic agents Onyx (Medtronic Neurovascular, Irvine, CA, USA) and PHIL in conventional computed tomography (CT), cone-beam CT and magnetic resonance imaging (MRI) in an experimental in vivo model. Materials and methods In 10 pigs the rete mirabile was embolized with Onyx ( n = 5) or PHIL ( n = 5). After embolization, conventional CT, cone-beam CT and MRI were performed. The degree of artifacts was graded qualitatively (five-point scale; for CT and MRI) and quantitatively (HUs of well-defined regions of interest (ROIs); for CT only). Results Artifacts were significantly more severe for Onyx both in the qualitative (e.g. conventional CT: 2 versus 5 (medians); p = 0.008) and in the quantitative image analysis (e.g. cone-beam CT: standard deviation of a ROI near to the embolic agent cast, 94 HU versus 38 HU (medians); p = 0.008). Neither Onyx nor PHIL produced any apparent artifacts in MRI. Conclusion PHIL produces fewer artifacts than Onyx in conventional CT and cone-beam CT in an experimental in vivo model.

From conventional CT to cone-beam CT-guided percutaneous biopsies: An institutional transition

2017 ◽  
Vol 28 (2) ◽  
pp. S110
Author(s):  
K Harper ◽  
H Al-Dujaili ◽  
B Mussari ◽  
A Nasirzadeh ◽  
A Menard
Keyword(s):  
Cone Beam Ct ◽  
Cone Beam ◽  
Ct Guided ◽  
Institutional Transition ◽  
Conventional Ct

scholarly journals Percutaneous Transthoracic Lung Biopsy: Comparison Between C-Arm Cone-Beam CT and Conventional CT Guidance

2015 ◽  
Vol 8 (4) ◽  
pp. 258-264 ◽  
Author(s):  
Yun-Chung Cheng ◽  
Sheng-Heng Tsai ◽  
Yuchi Cheng ◽  
Jeon-Hor Chen ◽  
Jyh-Wen Chai ◽  
...  
Keyword(s):  
Lung Biopsy ◽  
Cone Beam Ct ◽  
Cone Beam ◽  
Ct Guidance ◽  
Conventional Ct

Pediatric Percutaneous Osteoid Osteoma Ablation: Cone-Beam CT with Fluoroscopic Overlay Versus Conventional CT Guidance

2017 ◽  
Vol 40 (10) ◽  
pp. 1593-1599 ◽  
Author(s):  
Brandon C. Perry ◽  
Eric J. Monroe ◽  
Tyler McKay ◽  
Kalpana M. Kanal ◽  
Giridhar Shivaram
Keyword(s):  
Osteoid Osteoma ◽  
Cone Beam Ct ◽  
Cone Beam ◽  
Ct Guidance ◽  
Conventional Ct

scholarly journals Measurement of Tibial Tuberosity–Trochlear Groove Offset Distance by Weightbearing Cone-Beam Computed Tomography Scan

2017 ◽  
Vol 5 (10) ◽  
pp. 232596711773415 ◽  
Author(s):  
John M. Marzo ◽  
Melissa A. Kluczynski ◽  
Anthony Notino ◽  
Leslie J. Bisson
Keyword(s):  
Computed Tomography ◽  
Ct Scan ◽  
Cone Beam Ct ◽  
Ct Scans ◽  
Cone Beam ◽  
Trochlear Groove ◽  
Intrarater Reliability ◽  
Offset Distance ◽  
History Of ◽  
Conventional Ct

Background: Computed tomography (CT) scans are useful for objectively measuring bone alignment because they show bone detail particularly well, and these scans have been used extensively to assess patellar orientation. The tibial tubercle–trochlear groove (TT-TG) offset distance has been shown to be influenced by knee flexion and weightbearing, yet conventional CT scans are obtained with the subject relaxed, supine, and with the knee in full extension. A new cone-beam CT scanner has been designed to allow for weightbearing images, potentially providing a more physiologically relevant assessment of patellofemoral alignment. Purpose/Hypothesis: The purpose of this study was to measure the TT-TG offset in healthy individuals without any history of knee complaints when CT scans were obtained while fully weightbearing on a flexed knee. Our hypothesis was that the TT-TG offset measurement in these healthy knees would be reproducible and less than the historically reported normal range. Study Design: Cross-sectional study; Level of evidence, 3. Methods: Twenty healthy volunteers without any history of knee complaint were recruited to undergo a weightbearing cone-beam CT scan of the knee flexed at 30°. The scans were reviewed by a radiologist and an orthopaedic surgeon, and TT-TG offset was measured using the digital tools of a picture archiving and communication system. Paired t tests were used to compare TT-TG offset on 2 separate occasions for both raters. Inter- and intrarater reliability were assessed using a 2-way mixed-effects model intraclass correlation coefficient with corresponding 95% confidence intervals for TT-TG offset. Results: The mean TT-TG offset was 2.7 mm. There were no statistically significant differences in TT-TG offset between raters ( Prater1 = .70; Prater2 = .49) and time of read ( Ptime1 = .83; Ptime2 = .19). Good to moderate interrater reliability was found at the time of both reads, and good intrarater reliability was found for both raters. Conclusion: When measured by CT scan and obtained from a subject while weightbearing on a flexed knee, the TT-TG offset is reproducible and the distance is less than that obtained via a conventional CT scan.

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