الفهرس 
Role of dynamic ultrasound shear wave elastography in differentiation between benign and malignant hepatic lesions in correlation with triphasic CT findings
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Abstract
Several diagnostic imaging modalities can be used to detect and characterize FLLs as ultrasound, color Doppler, magnetic resonance imaging (MRI), computed tomography (CT) and positron emission tomography (PET). More invasive techniques include angiography (seldom used) and percutaneous biopsy (Smith-Bindman et al., 2012). Ultrasound is a first-line modality for examination of the liver because it is low in cost, convenient to use and does not expose the patient to radiation. In CT examination intravenous iodinated contrast media are routinely used, that improve detection of FLLs. CT limitations are exposure to a high radiation dose and contrast media are contraindicated in patients with a history of anaphylaxis and renal failure. MRI in comparison to CT lacks exposure to ionizing radiation and contrast agents of MRI can be used in renal failure patients safely