نتایج جستجو برای: functional ct

تعداد نتایج: 712257  

2016
Joseph Jacob Brian J. Bartholmai Srinivasan Rajagopalan Anne Laure Brun Ryoko Egashira Ronald Karwoski Maria Kokosi Athol U. Wells David M. Hansell

BACKGROUND To evaluate computer-based computer tomography (CT) analysis (CALIPER) against visual CT scoring and pulmonary function tests (PFTs) when predicting mortality in patients with connective tissue disease-related interstitial lung disease (CTD-ILD). To identify outcome differences between distinct CTD-ILD groups derived following automated stratification of CALIPER variables. METHODS ...

2014
Juan Montoro Daniele Laszlo Natalia Pin Chuen Zing Giuseppe Petralia Giorgio Conte Marzia Colandrea Giovanni Martinelli Lorenzo Preda

Computed tomography (CT), 18F-fluorodeoxyglucose positron emission tomography (FDG-PET), and hybrid FDG-PET/CT are the most commonly used diagnostic tools for the initial staging and treatment response assessment of lymphomas [1]. The aim of this report is to compare the correlations between functional imaging markers derived from FDG-PET/CT and whole-body, diffusion-weighted magnetic resonance...

2013
Jan C. Grutters

Accurate assessment of pulmonary and extrapulmonary organ involvement in sarcoidosis is one of the great challenges for clinicians. This assessment includes the evaluation of symptoms and of sarcoidosis activity in a specific organ and its functional consequences. In this review, radiological and nuclear techniques to image the inflammatory activity of sarcoidosis are described, in particular F...

Journal: :iranian journal of medical physics 0
mohammad taghi bahreyni toossi medical physics research center, school of medicine, mashhad university of medical sciences, mashhad, iran department of medical physics, school of medicine, mashhad university of medical sciences, mashhad, iran

introduction computed tomography scans are a very important tool for diagnosis and assessment of response to treatment in the practice of medicine. ionizing radiation in medical imaging is undoubtedly one of the most powerful diagnostic tools in medicine. yet, as with all medical interventions, there are potential risks in addition to the clear potential benefits. materials and methods two refe...

Journal: :iranian journal of medical physics 0
maryam shirmohammad m.sc. student, department of medical physics and biomedical engineering and research centre for science and technology in medicine, tehran university of medical sciences, tehran, iran mohammad reza ay assistant professor, department of medical physics and biomedical engineering and research centre for science and technology in medicine, tehran university of medical sciences, tehran, iran saeed sarkar associate professor, department of medical physics and biomedical engineering and research centre for science and technology in medicine, tehran university of medical sciences, tehran, iran arman rahmim assistant professor, department of radiology, school of medicine, johns hopkins university, baltimore, md, usa

introduction:  the  advent  of  dual-modality  pet/ct  scanners  has  revolutionized  clinical  oncology  by  improving lesion localization and facilitating treatment planning for radiotherapy. in addition, the use of  ct images for ct-based attenuation correction (ctac) decreases the overall scanning time and creates  a noise-free  attenuation  map  (6map).  ctac  methods  include  scaling,  s...

Journal: :African Health Sciences 2023

Background: Coccydynia is a challenging disorder that frequently managed conservatively.
 Objective: This study aimed to evaluate the efficacy of adding kinesiotaping versus pelvic floor exercise conventional therapy in management post-colonoscopy coccydynia.
 Methods: Forty-two participants, aged 25–45 years, were randomly assigned to: group (CT) receiving Piriformis and Iliopsoas mu...

2017
Eric Peter Thelin David W Nelson Juho Vehviläinen Harriet Nyström Riku Kivisaari Jari Siironen Mikael Svensson Markus B Skrifvars Bo-Michael Bellander Rahul Raj

BACKGROUND Traumatic brain injury (TBI) is a major contributor to morbidity and mortality. Computerized tomography (CT) scanning of the brain is essential for diagnostic screening of intracranial injuries in need of neurosurgical intervention, but may also provide information concerning patient prognosis and enable baseline risk stratification in clinical trials. Novel CT scoring systems have b...

Journal: :European urology 2016
Lars Budäus Sami-Ramzi Leyh-Bannurah Georg Salomon Uwe Michl Hans Heinzer Hartwig Huland Markus Graefen Thomas Steuber Clemens Rosenbaum

UNLABELLED Prostate-specific membrane antigen (PSMA) overexpression theoretically enables targeting of prostate cancer (PCa) metastases using gallium Ga 68 ((68)Ga)-labeled PSMA ligands for positron emission tomography/computed tomography (PET/CT) imaging. Promising detection rates have been reported when using this approach for functional imaging of recurrent PCa; however, until now, the diagn...

2011
Stephen J. Poole Elie J. Diner Stephanie K. Aoki Bruce A. Braaten Claire t'Kint de Roodenbeke David A. Low Christopher S. Hayes

Bacterial contact-dependent growth inhibition (CDI) is mediated by the CdiA/CdiB family of two-partner secretion proteins. Each CdiA protein exhibits a distinct growth inhibition activity, which resides in the polymorphic C-terminal region (CdiA-CT). CDI(+) cells also express unique CdiI immunity proteins that specifically block the activity of cognate CdiA-CT, thereby protecting the cell from ...

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