Acta radiologica
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Comparative Study
In-phase and out-of-phase gradient-echo imaging in abdominal studies: intra-individual comparison of three different techniques.
T1-weighted gradient-echo in-phase and out-of-phase imaging is an essential component of comprehensive abdominal MR exams. It is useful for the study of fat-containing lesions and to identify various disease states related to the presence of fat in the liver. ⋯ Currently, 2D-GRE remains the best approach for clinical IP/OP imaging. The good image quality of MP-GRE sequences acquired in a free-breathing manner should recommend its use in patients unable to suspend breathing.
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Despite its long history, the application of N-butyl cyanoacrylate (NBCA) has been limited compared to other materials such as particulate agents and coils. This possibly owes to a widespread misconception that NBCA is difficult to handle and carries a high risk of complications due to its liquid nature and rapid polymerization time. However, recent reports have shown that, with knowledge and experience, NBCA is safe and effective to use in visceral arteries. ⋯ The application of NBCA for transcatheter embolization of varied etiologies involving the renal artery is feasible and safe in the hands of an experienced interventional radiologist. It offers immediate and effective occlusion of the pathologic vessel and, while it can be used exclusively on its own, it can also be used to complement other embolic materials.
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The relative clinical benefit of histopathology and computed tomography (CT) in patients with idiopathic interstitial pneumonia (IIP) is under debate. ⋯ Surgical lung biopsy may not be warranted in patients with thin-section CT diagnosis of UIP.
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Though previous investigators have attempted to evaluate its utility in characterization of focal renal lesions, diffusion-weighted MR imaging (DW MRI) in renal diseases is still an evolving field and its role in predicting the aggressiveness of renal cell carcinoma (RCC) is yet to be established. ⋯ ADC values provide a non-invasive means to predict the nuclear grade and histological subtype of RCC. Cellularity and morphology are other tumor attributes contributing to the variation in ADC values of RCCs.