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OBJECTIVE To qualitatively and quantitatively compare MSI images and WB images derived from spectral CT imaging with CU images in accessing gastric carcinoma. METHODS The clinical data and imaging findings of 91 cases of gastric carcinomas between December 2013 and May 2015 were analyzed retrospectively. All patients underwent CU CT and enhanced CT with(More)
The aim of this study was to evaluate the value of computed tomography (CT) spectral imaging in assessing the therapeutic efficacy of a vascular endothelial growth factor (VEGF) receptor inhibitor AG-013736 in rabbit VX2 liver tumours. Twenty-three VX2 liver tumour–bearing rabbits were scanned with CT in spectral imaging mode during the arterial phase (AP)(More)
To evaluate the feasibility, image quality, and radiation dose of automatic spectral imaging protocol selection (ASIS) and adaptive statistical iterative reconstruction (ASIR) with reduced contrast agent dose in abdominal multiphase CT. One hundred and sixty patients were randomly divided into two scan protocols (n = 80 each; protocol A, 120 kVp/450 mgI/kg,(More)
Simultaneous recordings of mandibular movement in three dimensions (frontal, horizontal and sagittal plane), and lateral pterygoid electromyographic (EMG) data during mastication of pellets and slurry, were collected from 5 rats by the opto-electronic mandibular tracking (OMT) method and computerized digital-processing of the EMG wave-forms. The(More)
PURPOSE To assess the feasibility of virtual nonenhanced (VNE) images derived from single-source fast kVp-switching dual-energy CT, namely material suppressed iodine (MSI) images in evaluating gastric tumors, and to calculate potential radiation dose reductions for a dual-phase gemstone spectral imaging (GSI) abdominal CT compared with a standard(More)
OBJECTIVE To investigate the preoperative assessment value of spectral CT quantitative parameters in lymph node metastasis of gastric cancer. METHODS From December 2013 to June 2015, clinical and image data of 86 patients with gastric cancer confirmed by gastroscope pathology undergoing preoperative enhanced CT were prospectively collected. Enhanced CT(More)
OBJECTIVE To investigate the application value of spectral CT in the differentiation of stage T3 and T4a gastric carcinoma. METHODS Data of 62 gastric cancer patients of stage T3 and T4a undergoing abdominal spectral CT examination in the First Affiliated Hospital of Zhengzhou University from December 2013 to December 2014 were collected retrospectively.(More)
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