نتایج جستجو برای: virtual touch tissue quantitative
تعداد نتایج: 1358717 فیلتر نتایج به سال:
conclusion vttq can sensitively detect the elasticity changes in patients with ckd, and it can effectively predict renal insufficiency. this technology provides a valuable tool for the assessment of ckd. patients and methods sixty-five patients with ckd and seventy healthy participants were included in this study. a total of 270 kidneys were examined by vttq. the kidney elasticity was expressed...
Background To evaluate whether conventional ultrasound, elastography [conventional strain elastography of elasticity imaging, acoustic radiation force impulse induced strain elastography of virtual touch tissue imaging, and a novel two-dimensional shear wave elastography of virtual touch tissue imaging quantification] and clinicopathological factors are associated with axillary lymph node metas...
OBJECTIVE Virtual surgery provides important assistance in preoperative planning of brain surgeries. A virtual surgery system essentially consists of visualization and modeling of the medical data and deformation simulation of human organs (mainly soft tissues). We used the hybrid level set theory, threshold segmentation, and morphological methods to segment the human head MRI volumetric data i...
PURPOSE The aim of this study was to investigate the feasibility of using acoustic radiation force impulse (ARFI) imaging to diagnose acute appendicitis. METHODS Abdominal ultrasonography (US) and ARFI imaging were performed in 53 patients that presented with right lower quadrant pain, and the results were compared with those obtained in 52 healthy subjects. Qualitative evaluation of the pati...
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