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1 paź 2020 · Bowel “illumination” achieved with positive oral contrast is useful when searching for “breaks” in the bowel wall, such as what would be seen with fistulas and perforations, or for identifying fluid collections or abscesses between loops of opacified bowel.
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8 sty 2020 · This article will review the current role of positive oral contrast material for abdominal CT in adults, including clinical indications in which its use is generally accepted as well as those indications in which positive oral contrast material is best avoided.
1 cze 2014 · Optimal contrast enhancement is important for a succesful diagnostic CT-scan. In this article we will discuss: Basics of contrast enhancement. Amount of contrast and injection rate. Timing of CT-series. Discuss a few protocols. Basics of contrast-enhancement. Phases of enhancement. Timing of CECT. Total amount of contrast. Injection rate.
There are certain indications for which positive oral contrast material is clearly ben-eficial (Table 1). Obvious examples include confirmation of suspected postoperative bowel leak and suspected fistula formation involving the gastrointestinal tract [23, 24] (Fig. 1).
5 mar 2019 · Positive oral contrast material is commonly given to mark the bowel lumen to improve the differentiation of bowel from non-bowel structures at abdominal CT. The main classes of positive oral contrast material are barium sulfate, ionic iodinated agents, and nonionic iodinated agents.
1 wrz 2013 · In general, oral contrast is used for most abdominal and pelvic CT scans unless there is no suspicion of bowel pathology (e.g., noncontrast CT to detect kidney stones) or when administration...
Indication: Initial imaging in patients with known adenocarcinoma or pre-operative planning prior to pancreatic resection (only use if known mass) Contrast: oral (water) and iv. Scan Delay: 25 second pancreas, 40 second pancreas, 70 second abdomen/pelvis. Scan FOV: abdomen/pelvis.
