نتایج جستجو برای: ct specimen
تعداد نتایج: 193698 فیلتر نتایج به سال:
BACKGROUND Muir-Torre syndrome (MTS) is a rare autosomal dominant genodermatosis caused by mutations in mismatch repair genes. It is characterized by the presence of at least one sebaceous skin tumor associated with internal malignancies. Whether positron emission tomography/computed tomography (PET/CT) is useful for the detection of malignancies in patients with MTS has not been determined. We...
PURPOSE To compare the kidney tumor size on radical nephrectomy pathology specimen with size estimated by computed tomography (CT) scan and ultrasonography. MATERIALS AND METHODS The tumor size on pathology specimen of 40 patients who had undergone radical nephrectomy at our center from March 2003 until March 2009 was compared with pre-operative CT scan and ultrasonography findings. The paire...
The Industrial Computed Tomography (ICT) is an advanced NDT technology to get exact internal and external structure information of the tested specimen. The nondestructive testing personnel can control the outgoing quality of workpieces by ICT image processing and data measurement. In this paper, we introduce high energy industrial CT system with accelerator X-ray source which is developed for b...
A nondestructive integrated CT-XRD method has been developed and used to study hydrated cement system. In this research, a beam line (BL) at the third-generation synchrotron radiation facility, SPring-8, in Japan, was used. First, X-ray computed tomography (CT) was employed to obtain three-dimensional (3D) images and select a region of interest (ROI) in a given plane section of the hardened cem...
Residual stresses are usually associated with induced by heterogeneous deformations as a cause of phase transition and thermal stress. The residual can appear during the manufacturing process, repair or in some cases due to operational loads. These should be taken into account structural integrity evaluation low-toughness materials case fatigue and/or stress corrosion cracking (SCC) situations....
In this prospective study, the fully automated cobas 4800 CT/NG and the cobas TaqMan CT tests were compared for Chlamydia trachomatis detection in urine and in genital specimens collected with Copan flocked swabs in culture media. A protocol was also established for the highly sensitive detection of C. trachomatis in semen specimens using the cobas 4800 CT/NG test. A total of 708 consecutive ur...
X-ray computed tomography (CT) systems with high resolution (also known as micro-CT systems) have been developed over the last two decades and have been used with great success in small animal studies. A micro-CT scanner is based on the same underlying physical principle as a clinical CT scanner, but it is designed for higher-resolution imaging. It produces three-dimensional (3D) tomographic da...
Background: 18F-fluorodeoxyglucose (18F-FDG) positron emission tomography/computed tomography (PET/ CT) has become an established method for detecting hypermetabolic sites of known and occult disease and is widely used in oncology surgical planning. Intraoperatively, it is often difficult to localize tumors and verify complete resection of tumors that have been previously detected on diagnostic...
Technical Appendix Table. Results of screening for Kyasanur Forest disease virus in human specimens, monkey specimens, and tick pools from Karnataka, Kerala, and Tamil Nadu States, India, December 2012–May 2013* Specimen type, ID no. Date sample collected Specimen type Age of human or monkey Location‡ rRT-PCR result, Ct RT-PCR result Final result Human† 1221197 Nov2012 Serum 22 y Madduru Forest...
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