Mechanical bowel perforation

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Mechanical bowel perforation is a relatively uncommon occurrence.

General

  • Uncommon.

Causes:[1]

  • Iatrogenic, i.e. complication of a surgery.
    • Typically elderly.
  • Trauma, e.g. gunshot wound, sharp force trauma.
    • Typically younger people that were "minding their own business".

Other causes of perforation non-mechanical:[1]

Gross

  • Fibrinous exudate.
  • Bowel wall thickening, focal.
  • Perforation - may or may not be obvious.

Microscopic

Features:

  • Microabscess formation - esp. at serosal aspect.
  • Serositis.

DDx:

See also

References

  1. 1.0 1.1 Hines, J.; Rosenblat, J.; Duncan, DR.; Friedman, B.; Katz, DS. (Apr 2013). "Perforation of the mesenteric small bowel: etiologies and CT findings.". Emerg Radiol 20 (2): 155-61. doi:10.1007/s10140-012-1095-3. PMID 23212537.