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Clinical Usefulness of Computed Tomography Study Without Contrast Injection in the Evaluation of Acute Pulmonary Embolism

Clinical Usefulness of Computed Tomography Study Without Contrast Injection in the Evaluation of... ORIGINAL ARTICLE Clinical Usefulness of Computed Tomography Study Without Contrast Injection in the Evaluation of Acute Pulmonary Embolism Rocco Cobelli, MD, Maurizio Zompatori, MD, Giovanni De Luca, MD, Gianfranco Chiari, MD, Paolo Bresciani, MD, and Carla Marcato, MD The diagnosis of APE by CT with contrast medium Objective: To evaluate the percentage of cases in which emboli can (CM) is made in the presence of partial or total endoluminal be detected in unenhanced scans and to identify the cases in which filling defects or the railway track sign. According to numer- they appear hyperattenuating or hypoattenuating in comparison to the ous authors, in the event of clinical suspicion of pulmonary circulating blood. embolism, a CT scan should be performed immediately with injection of CM, thereby bypassing the phase without CM. Method: An angio–computed tomography (CT) scan was per- At our institution, we prefer to carry out an unenhanced formed before and after contrast injection in 140 consecutive patients scan before proceeding to the contrast injection because this after clinical suspicion of pulmonary embolism. A radiologist ana- gives us the advantage of being able to position the region of lyzed the examination results thus obtained. The enhanced scan was interest http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Computer Assisted Tomography Wolters Kluwer Health

Clinical Usefulness of Computed Tomography Study Without Contrast Injection in the Evaluation of Acute Pulmonary Embolism

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Copyright
Copyright © 2005 by Lippincott Williams & Wilkins
ISSN
0363-8715
eISSN
1532-3145
DOI
10.1097/01.rct.0000148274.45419.95
Publisher site
See Article on Publisher Site

Abstract

ORIGINAL ARTICLE Clinical Usefulness of Computed Tomography Study Without Contrast Injection in the Evaluation of Acute Pulmonary Embolism Rocco Cobelli, MD, Maurizio Zompatori, MD, Giovanni De Luca, MD, Gianfranco Chiari, MD, Paolo Bresciani, MD, and Carla Marcato, MD The diagnosis of APE by CT with contrast medium Objective: To evaluate the percentage of cases in which emboli can (CM) is made in the presence of partial or total endoluminal be detected in unenhanced scans and to identify the cases in which filling defects or the railway track sign. According to numer- they appear hyperattenuating or hypoattenuating in comparison to the ous authors, in the event of clinical suspicion of pulmonary circulating blood. embolism, a CT scan should be performed immediately with injection of CM, thereby bypassing the phase without CM. Method: An angio–computed tomography (CT) scan was per- At our institution, we prefer to carry out an unenhanced formed before and after contrast injection in 140 consecutive patients scan before proceeding to the contrast injection because this after clinical suspicion of pulmonary embolism. A radiologist ana- gives us the advantage of being able to position the region of lyzed the examination results thus obtained. The enhanced scan was interest

Journal

Journal of Computer Assisted Tomography – Wolters Kluwer Health

Published: Jan 1, 2005

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