نتایج جستجو برای: three dimensional power doppler ultrasonography
تعداد نتایج: 2013614 فیلتر نتایج به سال:
OBJECTIVE To validate contrast-enhanced power Doppler ultrasonography (PD US) for the evaluation of synovial vascularity in an arthritic rabbit knee model in correlation with MR and histological findings. MATERIALS AND METHODS Power Doppler ultrasonography was performed for carrageenin-induced arthritic left knee and control right knee of 13 rabbits, first without and then with sonic contrast...
Amniotic band syndrome is a rare disorder which is thought to be caused by early rupture of the amniotic membrane. The extent of the disease may vary from minor digital amputations to severe lethal anomalies. For many years in routine clinical practice, this syndrome has been diagnosed with two-dimensional ultrasonography. Evolving imaging techniques by means of three-dimensional ultrasonograph...
Modern ultrasound imaging for diagnostic purposes has a wide range of applications. It is used in obstetrics to monitor the progress of pregnancy, in oncology to visualize tumours and their response to treatment, and, in cardiology, contrast-enhanced studies are used to investigate heart function and physiology. An increasing use of diagnostic ultrasound is to provide the first photograph for b...
Three-dimensional ultrasound is a powerful imaging technique, but it requires thousands of sensors and complex hardware. Very recently, the discovery of compressive sensing has shown that the signal structure can be exploited to reduce the burden posed by traditional sensing requirements. In this spirit, we have designed a simple ultrasound imaging device that can perform three-dimensional imag...
The objective of this article is to provide scientists, engineers and clinicians with an up-to-date overview on the current state of development in the area of three-dimensional ultrasound (3-DUS) and to serve as a reference for individuals who wish to learn more about 3-DUS imaging. The sections will review the state of the art with respect to 3-DUS imaging, methods of data acquisition, analys...
AIM To monitor joint inflammation and destruction in rheumatoid arthritis (RA) patients receiving adalimumab/methotrexate combination therapy using MRI and ultrasonography. To assess the predictive value of MRI and ultrasonography for erosive progression on CT and compare MRI/ultrasonography/radiography for erosion detection/monitoring. METHODS Fifty-two erosive biological-naive RA patients w...
AIMS The availability of three-dimensional (3D) echography with its multiplanar review analysis software on board now allows detailed examination in assessing morphological details. We evaluated the feasibility of 3D echography in assessing intraoperative morphological details of aortic coarctation (CoA) and its repair. METHODS AND RESULTS Nine consecutive children scheduled for surgery of Co...
Ultrasonic imaging was used to determine the spawning population structure and develop a fecundity estimation model for a red hind Epinephelus guttatus spawning aggregation within the Red Hind Bank Marine Conservation District, St Thomas, U.S.V.I. The spawning population showed considerable within-month and between-month variation in population sizeand sex-structure. In the spawning season stud...
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