Why the ACR?
نویسندگان
چکیده
منابع مشابه
ACR introduction to the ACR Imaging IT Reference Guide.
Reading stacks of films, as well as battling alternators and tape recorders, is but a distant memory to most radiologists. Instead, we are all challenged by voice recognition, application interfaces, managing PACS infrastructure, and connecting all of these tools in an ever more complex universe of IT systems in our professional environments. Radiologists, referring clinicians, and patients hav...
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Background: Rheumatoid Arthritis (RA) is a chronic inflammatory disease presenting with inflammation, tenderness and destruction of the synovial joints, resulting in severe disability and early death due to complication of disease. Previous diagnostic criteria are not useful for identifying patients who need early treatment. Thus, new diagnostic criteria for faster diagnosis of disease are intr...
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A fundamental consideration in the workup of a jaundiced patient is the pretest probability of mechanical obstruction. Ultrasound is the first-line modality to exclude biliary tract obstruction. When mechanical obstruction is present, additional imaging with CT or MRI can clarify etiology, define level of obstruction, stage disease, and guide intervention. When mechanical obstruction is absent,...
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Myelopathy is a problem that requires imaging to distinguish among numerous specifically treatable causes. The first priority is to determine mechanical stability after trauma. Next, it is crucial to distinguish intrinsic disease from extrinsic compression-for example, by epidural abscess. Osteophytes or disc extrusions and metastatic compression are the most common causes of extrinsic lesions....
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• Geometric Distortion • Spatial Resolution • Slice thickness and position • Interslice Gap • Estimate of Image Bandwidth • Low Contrast Detectability • Image Uniformity • Signal-to-Noise Ratio (SNR) • Physical and Electronic Slice Offset • Landmark This document contains phantom specifications and materials and a brief description of image analysis. For a more complete description of the ACR M...
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ژورنال
عنوان ژورنال: Arthritis & Rheumatism
سال: 2011
ISSN: 0004-3591
DOI: 10.1002/art.30191