Dependence of computed tomography volume measurements upon section thickness: An application to human dry skulls

2008 ◽  
Vol 21 (6) ◽  
pp. 479-485 ◽  
Author(s):  
Bunyamin Sahin ◽  
Michael Mazonakis ◽  
Huseyin Akan ◽  
Suleyman Kaplan ◽  
Yuksel Bek
Keyword(s):  
Computed Tomography ◽  
Section Thickness ◽  
Volume Measurements

Comparison of Hand and Semiautomatic Tracing Methods for Creating Maxillofacial Artificial Organs using Sequences of Computed Tomography (CT) and Cone Beam Computed Tomography (CBCT) Images

2017 ◽  
Vol 40 (6) ◽  
pp. 307-312 ◽  
Author(s):  
Bence T. Szabo ◽  
Seçil Aksoy ◽  
Gabor Repassy ◽  
Krisztian Csomo ◽  
Csaba Dobo-Nagy ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Cone Beam Computed Tomography ◽  
Volume Measurement ◽  
Artificial Organs ◽  
Cone Beam ◽  
Artificial Organ ◽  
Volume Determination ◽  
Measurement Results ◽  
Volume Measurements ◽  
Maxillary Sinuses

Introduction The aim of this study was to compare the paranasal sinus volumes obtained by manual and semiautomatic imaging software programs using both CT and CBCT imaging. Methods 121 computed tomography (CT) and 119 cone beam computed tomography (CBCT) examinations were selected from the databases of the authors’ institutes. The Digital Imaging and Communications in Medicine (DICOM) images were imported into 3-dimensonal imaging software, in which hand mode and semiautomatic tracing methods were used to measure the volumes of both maxillary sinuses and the sphenoid sinus. The determined volumetric means were compared to previously published averages. Results Isometric CBCT-based volume determination results were closer to the real volume conditions, whereas the non-isometric CT-based volume measurements defined coherently lower volumes. By comparing the 2 volume measurement modes, the values gained from hand mode were closer to the literature data. Furthermore, CBCT-based image measurement results corresponded to the known averages. Conclusions Our results suggest that CBCT images provide reliable volumetric information that can be depended on for artificial organ construction, and which may aid the guidance of the operator prior to or during the intervention.

The Effect of the Section Thickness Used for 2- and 3-Dimensional Quantification of Dual-Energy Perfusion Computed Tomography

2014 ◽  
Vol 38 (6) ◽  
pp. 979-984
Author(s):  
Takafumi Nomura ◽  
Munemasa Okada ◽  
Yoshiteru Nakashima ◽  
Teppei Yonezawa ◽  
Shohei Kudomi ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Dual Energy ◽  
Section Thickness ◽  
Perfusion Computed Tomography ◽  
3 Dimensional

The validity and reliability of computed tomography orbital volume measurements

2017 ◽  
Vol 45 (9) ◽  
pp. 1552-1557 ◽  
Author(s):  
Silviu C. Diaconu ◽  
David Dreizin ◽  
Mehmet Uluer ◽  
Corey Mossop ◽  
Michael P. Grant ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Validity And Reliability ◽  
Orbital Volume ◽  
Volume Measurements

Computed Tomography-Based Limb Volume Measurements for Isolated Limb Infusion in Melanoma

2015 ◽  
Vol 23 (4) ◽  
pp. 1090-1095 ◽  
Author(s):  
Adam K. Brys ◽  
Lubna Bhatti ◽  
Mustafa R. Bashir ◽  
Tracy A. Jaffe ◽  
Georgia M. Beasley ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Limb Volume ◽  
Volume Measurements

Determining Metacarpophalangeal Flexion Angle Tolerance for Reliable Volumetric Joint Space Measurements by High-resolution Peripheral Quantitative Computed Tomography

2016 ◽  
Vol 43 (10) ◽  
pp. 1941-1944 ◽  
Author(s):  
Stephanie Tom ◽  
Mark Frayne ◽  
Sarah L. Manske ◽  
Andrew J. Burghardt ◽  
Kathryn S. Stok ◽  
...  
Keyword(s):  
Computed Tomography ◽  
High Resolution ◽  
Quantitative Computed Tomography ◽  
Joint Space Width ◽  
Peripheral Quantitative Computed Tomography ◽  
Joint Space ◽  
Volume Measurements ◽  
Minimum Joint Space Width ◽  
Position Dependence ◽  
Space Width

Objective.The position-dependence of a method to measure the joint space of metacarpophalangeal (MCP) joints using high-resolution peripheral quantitative computed tomography (HR-pQCT) was studied.Methods.Cadaveric MCP were imaged at 7 flexion angles between 0 and 30 degrees. The variability in reproducibility for mean, minimum, and maximum joint space widths and volume measurements was calculated for increasing degrees of flexion.Results.Root mean square coefficient of variance values were < 5% under 20 degrees of flexion for mean, maximum, and volumetric joint spaces. Values for minimum joint space width were optimized under 10 degrees of flexion.Conclusion.MCP joint space measurements should be acquired at < 10 degrees of flexion in longitudinal studies.

3D volume rendered Computed Tomography application for follow up fracture healing and volume measurements pre and post SRF

2021 ◽  
Vol Publish Ahead of Print ◽  
Author(s):  
Don Campbell ◽  
Nicholas Arnold ◽  
Elizabeth Wake ◽  
John Grieve ◽  
Sylvio Provenzano ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Fracture Healing ◽  
Volume Measurements ◽  
3D Volume
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