What is the role of diffusion-weighted (DW) MRI in the diagnosis of cholecystitis?

Updated: May 20, 2021
  • Author: Alan A Bloom, MD; Chief Editor: BS Anand, MD  more...
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Diffusion-weighted (DW) magnetic resonance imaging (MRI) shows potential for differentiating between acute and chronic cholecystitis. [32] In a study comprised of 83 patients with abdominal pain, Wang et al noted that increased signal on high b-value images were highly sensitive and moderately specific for acute cholecystitis. [32]

CT scanning and MRI are also useful for viewing the surrounding structures if the diagnosis is uncertain.

See Acute Cholecystitis Imaging and Acalculous Cholecystitis Imaging for more complete information on these topics.

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