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Appendicitis-I: Introduction01:22

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The appendix, a small, narrow, blind tube extending from the inferior part of the cecum, is widely regarded as a vestigial organ, having lost much of its original function through evolution. Despite its diminished role, the appendix can become inflamed, a condition known as appendicitis.
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Pneumatosis Intestinalis Secondary to Appendicitis: What Do We Know?

Spencer Zaheri1, Christopher Stevens2, Kevin Malone3

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Pneumatosis intestinalis (PI) with appendicitis is rare, often affecting older, comorbid men and requiring surgery. This review details the 12th case and analyzes associated risk factors and outcomes.

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Area of Science:

  • Gastroenterology
  • Surgical Pathology

Background:

  • Pneumatosis intestinalis (PI), characterized by gas in the bowel wall, is an uncommon finding.
  • Concomitant PI with acute appendicitis is exceptionally rare, with limited documented cases.
  • Understanding this association is crucial for diagnosis and management.

Purpose of the Study:

  • To present a unique case of pneumatosis intestinalis (PI) in a middle-aged patient with appendicitis.
  • To conduct the first comprehensive literature review of all reported cases of PI associated with acute appendicitis.

Main Methods:

  • A systematic literature search was performed across PubMed, ResearchGate, Google Scholar, and Medline.
  • Keywords included "appendicitis," "appendix," "pneumatosis intestinalis," "gas," "bowel," "lumen," and "intramural."
  • Inclusion criteria focused on cases of appendicitis with findings of PI in patients over 28 days old.

Main Results:

  • The study identified 11 previously reported cases, adding the current case as the 12th.
  • Middle-aged men with obesity, hypertension, and type II diabetes mellitus are identified as a vulnerable demographic.
  • Computed tomography (CT) is highlighted as a key diagnostic tool for PI-associated appendicitis.

Conclusions:

  • This study provides the first literature review of PI secondary to acute appendicitis.
  • Patients with PI and appendicitis tend to be older, present later, and have poorer outcomes than typical appendicitis cases.
  • These patients often require major abdominal surgery and experience longer hospital stays.