peripheral quantitative computed tomography
Please Don't Move—Evaluating Motion Artifact From Peripheral Quantitative Computed Tomography Scans Using Textural Features
... Peripheral Quantitative Computed Tomography (pQCT, XCT-3000, Stratec Medizintechnik GmbH, Pforzheim, Germany) was used to evaluate cross-sections of the tibia and radius at 4% and 66% (defined ...
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Muscle and bone adaptations after treadmill training in incomplete spinal cord injury : a case study using peripheral quantitative computed tomography
... of peripheral Quantitative Computed Tomography (pQCT) to identify musculoskeletal responses to partial body-weight supported treadmill training (BWSTT) in incomplete spinal cord injury ...
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Peripheral quantitative computed tomography (pQCT) for the assessment of bone strength in most of bone affecting conditions in developmental age: a review
... Peripheral quantitative computed tomography provides an automatical scan analysis of trabecular and cortical bone compartments, calculating not only their bone mineral density (BMD), but also ...
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Advanced Knee Structure Analysis (AKSA): a comparison of bone mineral density and trabecular texture measurements using computed tomography and high resolution peripheral quantitative computed tomography of human knee cadavers
... resolution computed tomography (CT) dataset is binarized to segment the trabecular network, which then can be quantified using standard histomorphometric parameters such as trabecular separation, thickness, ...
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A customized protocol to assess bone quality in the metacarpal head, metacarpal shaft and distal radius: a high resolution peripheral quantitative computed tomography precision study
... (MRI), computed tomography (CT), ultrasonography (US), dual- energy X-ray absorptiometry (DXA) and digital X-ray radiogrammetry (DXR) are used clinically to monitor bone changes in RA ...
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Early Manifestation of Type 1 Diabetes in Children Is a Risk Factor for Changed Bone Geometry: Data Using Peripheral Quantitative Computed Tomography
... by peripheral quantitative computed tomog- raphy were made to assess cortical and trabecular bone characteristics as well as muscle mass in 88 patients (42 girls, 46 boys) at a mean age of ...
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Reproducibility of a peripheral quantitative computed tomography scan protocol to measure the material properties of the second metatarsal
... An experienced pQCT operator (DG) performed all pQCT scans using a Stratec XCT 2000 device (Stratec Medizintechnik GmbH, Pforzeim, Germany, software version 5.50d). A cone phantom was scanned at the commencement of data ...
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Altered Cortical Microarchitecture and Bone Metabolism in Patients with Monoclonal Gammopathy of Undetermined Significance
... high-resolution peripheral quantitative computed tomography (HRpQCT) imaging of the distal radius to demonstrate that MGUS patients have significantly altered trabecular bone ...
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Clinical and quantitative computed tomography predictors of response to endobronchial lung volume reduction therapy using coils
... the peripheral region of the treated lung and in the peripheral region of the target lobe were a QCT predictor for 6-MWT MCID and for RV MCID, respec- ...
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Quantitative computed tomography features and clinical manifestations associated with the extent of bronchiectasis in patients with moderate-to-severe COPD
... 1) lack of tapering of the bronchial lumen toward the periph- ery; 2) dilatation of the bronchi when the internal diameter of the bronchi was greater than that of the accompanying pulmonary artery; or 3) the presence of ...
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Diversity of respiratory impedance based on quantitative computed tomography in patients with COPD
... There were several limitations in the present study. First, this was a single-center, uncontrolled-design retrospective study. Further prospective study is required to confirm these results. Second, generalizability is a ...
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Brain Perfusion in Children: Evolution With Age Assessed by Quantitative Perfusion Computed Tomography
... A unique perfusion CT series was performed immediately after the noncontrast cerebral CT. Four different imaging protocols were used, dedicated to 4 age categories: 0 to 6 months, 6 to 12 months, 1 to 10 years, and 10 to ...
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Reliability of clinically relevant 3D foot bone angles from quantitative computed tomography
... Background: Surgical treatment and clinical management of foot pathology requires accurate, reliable assessment of foot deformities. Foot and ankle deformities are multi-planar and therefore difficult to quantify by ...
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Hyperpolarized 3He Magnetic Resonance Imaging Phenotypes of Chronic Obstructive Pulmonary Disease
... Lastly, an important consideration for using CT to evaluate and monitor COPD is the radiation dose associated with each scan. In COPD, longitudinal monitoring is necessary for evaluating disease progression or response ...
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Computed tomography of gliosarcoma
... CT showed a sharply demarcated hyperdense solid mass in the left parietal lobe with dense homogeneous contrast enhancement and peritumoral edema.. The arteriogram revealed a well margina[r] ...
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Comparison of CT Dose Reduction Algorithms in a Porcine Model
... The generated model indicated that both algorithm type (particularly choice of VEO instead of ASIR/FBP) and noise index were significant predictors of composite score, while the effect of ASIR over FBP was negligi- ble ...
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An overview of computed tomography
... EXAMPLE 4: NUCLEAR MAGNETIC RESONANCE H1AGING 5.5.1 Underlying Physical Process 5.5.2 Imaging Principle 5.5.3 Tissue Characterisation 5.5.4 Physical System Components 5.5.5 Inherent Limi[r] ...
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3D Imaging and Quantitative Analysis of Vascular Networks: A Comparison of Ultramicroscopy and Micro-Computed Tomography
... electron tomography (PET) and X-ray computed tomography (CT) is not sufficient to visualize neovascularization or angiogenesis of small capillaries ...
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Quantitative Assessment of Air Trapping Using Inspiratory and Expiratory Low Dose Computed Tomography
... semiautomatic image-processing program (ImageJ Ver. 1.46, a public domain Java image processing program). Quantitative CT analysis of air trapping has been described elsewhere [7]. In brief, the following ...
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Small pulmonary vascular alteration and acute exacerbations of COPD: quantitative computed tomography analysis
... Abstract: The morphologic alterations of pulmonary small vessels measured by computed tomography (CT) have been used to evaluate chronic obstructive pulmonary disease (COPD). However, the relationship ...
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