Bowel obstruction MRI

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Hadeel Maksoud M.D.[2]

Overview

There are no MRI findings associated with bowel obstruction . However, a MR enterography may be helpful in the diagnosis of complications of bowel obstruction, which include ischemia, perforation and necrosis. MR enterography is also useful in identifying the site of obstruction.

MRI

  • There are no MRI findings associated with bowel obstruction . However, a MR enterography may be helpful in the diagnosis of complications of bowel obstruction, which include:[1][2]
  • MR enterography is also useful in identifying the site of obstruction, especially in low-grade bowel obstruction such as those in cases of Crohn's disease, and in younger patients to reduce exposure to radiation.
  • MR enterography has a higher sensitivity and specificity than helical CT in detecting bowel obstruction.[3]

Limitations of MR enterography

  • Lengthy wait for image processing
  • Repeated breath holding is required

References

  1. Mullan CP, Siewert B, Eisenberg RL (2012). "Small bowel obstruction". AJR Am J Roentgenol. 198 (2): W105–17. doi:10.2214/AJR.10.4998. PMID 22268199.
  2. Fidler JL, Guimaraes L, Einstein DM (2009). "MR imaging of the small bowel". Radiographics. 29 (6): 1811–25. doi:10.1148/rg.296095507. PMID 19959523.
  3. Beall DP, Fortman BJ, Lawler BC, Regan F (2002). "Imaging bowel obstruction: a comparison between fast magnetic resonance imaging and helical computed tomography". Clin Radiol. 57 (8): 719–24. PMID 12169282.

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