نتایج جستجو برای: diagnostic modality
تعداد نتایج: 334817 فیلتر نتایج به سال:
Whole-body positron emission tomography (PET) scanning with the radiolabeled glucose analogue 2-[fluorine-18]-fluoro-2-deoxy-D-glucose ( superset 18 F-FDG) can identify areas of cancerous involvement and distinguish malignant from benign lesions and therefore, plays an important role in the diagnosis and management of patients with cancer. PET facilitates the evaluation of metabolic and molecul...
The ideal assessment of the blunt abdominal trauma (BAT) patient would be sensitive, specific, economical, fast, and without complications. By combining ultrasound (US) with computed tomography (CT) and diagnostic peritoneal lavage (DPL), an effective algorithm can be derived to accurately evaluate BAT. We prospectively evaluated a series of patients with suspected blunt abdominal trauma using ...
The specific aims of this prospective survey were to determine the accuracy of traditional diagnostic tools, such as pneumatic otoscopy, otomicroscopy, and tympanometry, and evaluate the usefulness of myringotomy as a diagnostic method; also to determine the significance of myringotomy in treating otitis media with effusion (OME). The status of middle ear of 51 children (85 ears) from November ...
Optical Imaging (OI) for rheumatoid arthritis is a novel imaging modality. With the high number of people affected by this disease, especially in western countries, the availability of OI as an early diagnostic imaging method is clinically highly relevant. In this article we describe the current techniques of OI and discuss potential future applications of this promising technology. Overall, we...
CT imaging of traumatic aortic rupture has been both advocated and disparaged in the current literature as a reliable diagnostic modality. In a retrospective review of blunt chest trauma patients at our institution evaluated by both thoracic CT and arteriography, we found a 17% false negative rate and a 39% false positive rate. Although we feel CT is not sufficiently sensitive at present to eva...
Coronary computed tomography angiography (CCTA) could show the morphological status of coronary stenosis. Moreover, (CT) myocardial perfusion (CTP) provide additional information to identify hypoattenuating areas that might complement limitation CCTA in terms evaluating functional status, adding diagnostic performance CCTA. We reported imaging features artery disease a female patient with histo...
Non-invasive coronary artery imaging challenges any diagnostic modality, because of the complex and tortuous anatomy and cardiac contraction and respiration. Therefore, non-invasive coronary imaging requires high spatial and temporal resolution. Our purpose is to discuss the feasible applications in coronary imaging of Magnetic Resonance Imaging and Multi-slice Computed Tomography (MSCT). Focus...
Early diagnosis and treatment have been recognized as essential for improving clinical outcomes in patients with rheumatoid arthritis (RA). Magnetic resonance imaging (MRI) is a sensitive modality that can assess both inflammatory and structural lesions. MRI can assist in following the disease course in patients treated with traditional disease-modifying antirheumatic drugs and biological thera...
Optical coherence tomography (OCT) is a non-invasive, real time diagnostic modality that enables detection of oral lesions at an early, relatively harmless stage with improved resolution. OCT gives quantitative and qualitative information of hard and soft tissue by providing a cross-sectional ‘optical biopsy’ of tissue up to 3 mm in depth from the surface. In the present scenario, OCT has emerg...
Microwave imaging is recognized as an efficient diagnostic modality for no invasively visualizing dielectric contrasts in non metallic bodies. The usefulness of this modality results from the existing correlation between dielectric properties and quantities of practical relevance for industrial or biomedical applications. At the beginning of the 80’s, Supélec developed a 2.45 GHz planar microwa...
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