Results 11 to 20 of about 1,092,129 (288)

An Automated Measurement of Image Slice Thickness of Computed Tomography [PDF]

open access: yesAtom Indonesia, 2021
Measurement of the slice thickness in computed tomography (CT) is usually made using a special phantom, such as the AAPM CT performance phantom. Images of the phantom are analyzed manually and subjectively.
S. Sofiyatun   +4 more
doaj   +3 more sources

Optimalisasi Citra Rekonstruksi Multiplanar Pada Ct Wrist Joint Dengan Perubahan Slice Thickness Dan Reconstruction Interval

open access: yesJurnal Riset Kesehatan, 2015
The purpose of this study was to determain the value of slice thickness and reconstruction interval in which are able to produce an optimal image.Type of research is an experimental research with observational approach. Data retrieval is done by scanning
Bagus Dwi Handoko   +2 more
doaj   +2 more sources

Impact of CT slice thickness on volume and dose evaluation during thoracic cancer radiotherapy

open access: yesCancer Management and Research, 2018
Huanli Luo, Yanan He, Fu Jin, Dingyi Yang, Xianfeng Liu, Xueqi Ran, Ying Wang Department of Radiation Oncology, Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, Chongqing, 400030, China Introduction ...
Luo H   +6 more
doaj   +1 more source

Systematic review of the clinical effectiveness and cost-effectiveness of 64-slice or higher computed tomography angiography as an alternative to invasive coronary angiography in the investigation of coronary artery disease [PDF]

open access: yes, 2008
Objectives: To assess the clinical effectiveness and cost-effectiveness, in different patient groups, of the use of 64-slice or higher computed tomography (CT) angiography, instead of invasive coronary angiography (CA), for diagnosing people with ...
Cummins, E.   +7 more
core   +3 more sources

Low dose computed tomography of the lung for detection and grading of interstitial lung disease: A systematic simulation study

open access: yesPulmonology, 2021
Purpose HRCT is the preferred imaging technique to evaluate Interstitial-Lung-Disease. Optimal Low-Dose-Computed-Tomography protocol for monitoring ILD with lowest radiation dose and optimal diagnostic accuracy and image quality unknown.Methods 28 ...
S. Ley   +7 more
doaj   +3 more sources

In Vivo Study of the Influence of CT Acquisition and Reconstruction Parameters on Chest CT Number

open access: yesCT Lilun yu yingyong yanjiu, 2023
Objective: To explore the influence of different CT acquisition and reconstruction parameters on the CT number of the chest in vivo. Methods: The CT number of the trachea, blood vessels, lungs, vertebral bodies, and muscles of the human chest were ...
Jingjing LI   +6 more
doaj   +1 more source

UJI RESOLUSI SPASIAL DAN SLICE THICKNESS PADA CT SCAN 128 DAN 16 SLICE DENGAN MENGGUNAKAN PHANTOM QUART DVT-AP [PDF]

open access: yes, 2022
CT-Scan adalah salah satu modalitas untuk diagnosis utama, kualitas citra dari CT-Scan sangat berpengaruh terhadap diagnosis. Untuk menguji kualitas citra CT-Scan diperlukan suatu alat ukur berupa phantom.
Samsun, Samsun   +2 more
core   +1 more source

Validation of two automated ASPECTS software on non-contrast computed tomography scans of patients with acute ischemic stroke

open access: yesFrontiers in Neurology, 2023
PurposeThe Alberta Stroke Program Early Computed Tomography Score (ASPECTS) was designed for semi-quantitative assessment of early ischemic changes on non-contrast computed tomography (NCCT) for acute ischemic stroke (AIS).
Zhongping Chen   +9 more
doaj   +1 more source

A computer-simulation study on the effects of MRI voxel dimensions on carotid plaque lipid-core and fibrous cap segmentation and stress modeling. [PDF]

open access: yesPLoS ONE, 2015
BACKGROUND:The benefits of a decreased slice thickness and/or in-plane voxel size in carotid MRI for atherosclerotic plaque component quantification accuracy and biomechanical peak cap stress analysis have not yet been investigated in detail because of ...
Harm A Nieuwstadt   +6 more
doaj   +1 more source

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