نتایج جستجو برای: delayed imaging
تعداد نتایج: 552358 فیلتر نتایج به سال:
gastrointestinal duplications are rare congenital malformations and they may vary greatly in presentation, size, location and symptoms. the presence of ectopic gastric mucosa (egm) in them is not common and they are difficult to diagnose prior to surgery. we present the case of a child with long intestinal duplication with ectopic gastric mucosa who presented with just severe anaemia and delaye...
The enhancement patterns of 382 hypervascular liver lesions were evaluated following dynamic and delayed (lh-3h) MR imaging with Gd-BOPTA. Qualitative assessment was performed of lesion signal intensity and homogeneity in the different phases. The sensitivity, specificity, PPV and NPV of delayed hyperintensity as a sign of lesion benignity was 64. I%, 98.3%, 97.88% and 69.4%, respectively. The ...
OBJECTIVE To compare a new semiquantitative visual scoring method with quantitative digital planimetry for determining left ventricular infarcted mass by use of cardiac delayed contrast-enhanced magnetic resonance imaging. METHOD Seventy-seven patients with previous myocardial infarction underwent delayed contrast-enhanced magnetic resonance imaging using a 1.5T device for assessing myocardia...
Background To examine the diagnostic accuracy of cardiac magnetic resonance imaging (CMR) in differentiating thrombus from myxoma Thrombus is thought not to enhance on CMR, myxomas are thought to show mild heterogenous enhancement on delayed imaging. It is sometimes difficult to differentiate them, and this may lead to misdiagnosis, which would significantly impact treatment. Thrombi can have v...
Recently, numerous studies have demonstrated the effectiveness of a segmented inversion recovery fast gradient echo (seg IR-FGE) sequence for differentiating injured from normal myocardium. This technique for delayed enhancement imaging has been shown to be effective in identifying the presence and extent of myocardial infarction, as well as predicting improvement in contractile function after ...
To assess the clinical value of dual time point imaging (DTPI) fluorine-18fludeoxyglucose (18F-FDG) positron emission tomography (PET)/CT in differentiating malignancy and benign disease of patients with focally increased gastric uptake.Patients who present focally increased 18F-FDG uptake in gastric wall on conventional PET/CT imaging received delayed imaging. PET/CT scans were acquired at 1 a...
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