J A Soto

..Because conservative nonsurgical therapy is preferred for all but the most severe injuries affecting the solid viscera, the authors emphasize the CT findings that are indications for direct therapeutic intervention...

..This difference was statistically significant (p<0.0001). In the multiple trauma patient, implementation of PACS-integrated software increases utilization of 3D reconstructions of MDCT data sets...

..This article reviews the clinical applications of MRCP in the evaluation of biliopancreatic diseases...

..To retrospectively evaluate contrast material-enhanced multi-detector row computed tomography (CT) in the depiction of pancreas divisum...

..Finally, the advantages and techniques of integrating extremity CTA into torso trauma protocols will be described...

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..The rapid acquisition speed of 64 multi-detector CT scanners has facilitated integration of CTA into routine trauma CT imaging using a single contrast bolus injection...

..Bile duct injuries can be suggested with CT, which may show ascites and associated liver injuries, and can be confirmed with hepatobiliary scintigraphy...

..The role of various techniques, including the use of oral and intravenous contrast, as well as the potential benefit of delayed imaging, is discussed...

..CTA is not operator-dependent and the results can be reproduced easily by using established technical parameters. It is readily available in most centers and allows the simultaneous evaluation of the extravascular soft tissues and bones...

..To retrospectively evaluate the integration of pelvic computed tomographic (CT) angiography into the thoracoabdominal CT examination of blunt trauma by using 64-detector row CT to differentiate active arterial from active venous hemorrhage...

..This review serves to discuss and illustrate these pertinent issues, approaching penetrating and blunt trauma separately, with the emphasis on multidetector computed tomography in diagnosis...

..The purpose of our study was to determine the clinical significance of the isolated finding of free intraperitoneal fluid on 64-MDCT in male patients who have undergone blunt trauma...

..In summary, 64-MDCT technology offers several technical advances which may increase utilization of CT in the evaluation and diagnosis of pancreaticobiliary abnormalities...

..To determine the feasibility and report clinical outcomes of upper extremity computed tomographic (CT) angiography with 64-section multidetector CT technology in the evaluation of patients sustaining penetrating trauma...

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..Normalized attenuation values of the active extravasation, however, are not predictive of subsequent management...

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..No further effects of BMI or intra-abdominal fat on confidence in diagnosing or excluding appendicitis were seen. Neither BMI nor intra-abdominal fat were seen to influence appendiceal visualization...

..Strictures appear as areas of focal luminal narrowing with proximal dilatation, which can lead to obstruction. To avoid repeated exposure to radiation, MR imaging may be performed in patients who must undergo frequent imaging...

..The objective of our study was to compare the diagnostic accuracy of IV contrast-enhanced 64-MDCT with and without the use of oral contrast material in diagnosing appendicitis in patients with abdominal pain...

..Protocol considerations in pelvic CTA using 64MDCT technology will be detailed as well as the integration of pelvic CTA into torso CT trauma protocols...

..By demonstrating the extent, location, and type of injury, CT angiography aids in the decision-making process to determine the appropriate management for each injury in each patient...

..Additionally, the CT protocol methods specific to colorectal injuries are detailed...

..Also, evolving lessons from our level I trauma center in the use of multiphasic imaging to further characterize sources of a vascular blush and the differentiation of arterial from venous sources of active hemorrhage are discussed...

..A standard dose of 100 mL intravenous contrast material is injected at a rate of 5 mL/sec, and 30 mL saline solution, also at 5 mL/sec, is injected as a "chasing" bolus to follow the contrast material...

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..In addition, we outline the etiology of spontaneous hemoperitoneum, which includes hepatic, splenic, gynecologic, and vascular causes, and bleeding disorders...

..To retrospectively evaluate multi-detector row computed tomography (CT) without oral contrast material for depiction of bowel and mesenteric injuries that require surgical repair in patients with blunt abdominal trauma...

..Protocol considerations in pelvic CTA using 64MDCT technology will be detailed as well as the integration of pelvic CTA into torso CT trauma protocols...

..Besides neoplastic, inflammatory, and infectious processes, many other disease processes may occasionally result in mesenteric lymphadenopathy...

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..CONCLUSION: Unenhanced and contrast-enhanced MDCT images, interpreted in PACS workstations with axial images, are moderately sensitive and specific for showing choledocholithiasis...

..Novel techniques such as automated dose modulation currently offer means of reducing radiation doses. Though several technical challenges are faced, 64-MDCT represents an evolution in multitrauma imaging...

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..This review will describe the common imaging findings of spontaneous hemoperitoneum, as it presents through the emergency room, and will detail the underlying causes and significance of spontaneous hemoperitoneum...

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..To retrospectively evaluate the accuracy of multidetector computed tomography (CT) in the diagnosis of perforated acute appendicitis by using surgery and pathologic examination combined as the reference standard...

..The objective of our study was to determine whether there is an association between the grade of a traumatic renal injury and the subsequent development of renal parenchymal scars on CT...

..CONCLUSION: If delayed CT scans are acquired when patients with blunt abdominal trauma are evaluated, selective, rather than routine, acquisition is recommended and a reduced radiation dose seems adequate...

..In general, these nodes are small, measuring less than 5 mm. Such nodes when found in an otherwise healthy population are clinically insignificant and require no further imaging...

..To assess the performance of a computer-aided detection (CAD) algorithm for measuring polyp-like structures on CT colonography (CTC) images of a phantom...

..The purpose of this study was to evaluate the feasibility of performing CT-guided interventional procedures with a very low radiation dose...

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..Patients with liver injury and free intraperitoneal bile leak have longer hospitalizations and undergo more therapeutic procedures than those without, who respond to conservative management...

..The rapidly evolving technology for both MR imaging and CT of the biliary tract will continue to present radiologists with opportunities as well as challenges...

..MRI findings of complicated pouchitis should raise the suspicion of Crohn's disease and should prompt further investigation...

..99, P < .001) and the mean percentage volume differences for the liver (1.2%) and the spleen (0.9%). The mean segmentation time per patient was significantly shorter with use of the dual-space clustering method (P < .001)...

..To report an experience with helical computed tomographic (CT) angiography as the initial procedure to rule out arterial lesions caused by penetrating neck injuries...

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..To prospectively determine the safety and efficacy of the gadolinium-based blood pool magnetic resonance (MR) imaging contrast agent gadofosveset in patients known to have or suspected of having peripheral vascular disease...