What are the benefits of CT scanning compared to ultrasonography for detecting acute gangrenous cholecystitis?

Updated: May 20, 2021
  • Author: Alan A Bloom, MD; Chief Editor: BS Anand, MD  more...
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One study suggests that when CT scanning is performed as long as 72 hours prior to surgery, it may better detect acute gangrenous cholecystitis. Acute gangrenous cholecystitis was significantly correlated with perfusion defect of the gallbladder wall and pericholecystic stranding, which can be better observed by CT scanning compared with ultrasonography. [45]

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