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Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
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Amyand's hernia: a review.

Adamantios Michalinos1, Demetrios Moris1, Spiridon Vernadakis2

  • 11st Department of Surgery, Athens University School of Medicine, "Laikon" University Hospital, 2nd Floor, Agiou Thoma 17 Str, Goudi, Athens, Greece; Department of General and Transplantation Surgery, "Laikon" General University, Athens, Greece.

American Journal of Surgery
|November 28, 2013
PubMed
Summary

Amyand's hernia, where the appendix is in the inguinal hernia sac, is less common than previously thought. Diagnosis is difficult preoperatively, but treatment varies based on appendix inflammation and patient factors, ensuring good outcomes.

Keywords:
Amyand's herniaAppendectomyAppendicitisInguinal herniaMesh repair

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Area of Science:

  • Surgery
  • Gastroenterology
  • Medical Diagnostics

Background:

  • Amyand's hernia is defined as the presence of the vermiform appendix within an inguinal hernia sac.
  • This condition presents unique diagnostic and therapeutic challenges in surgical practice.

Purpose of the Study:

  • To systematically review the literature on Amyand's hernia.
  • To gather comprehensive information on its prevalence, clinical presentation, diagnostic methods, and treatment strategies.

Main Methods:

  • A systematic search of the MEDLINE database was conducted.
  • The search utilized the specific keyword "Amyand's hernia."
  • Additional relevant articles were identified and evaluated for inclusion.

Main Results:

  • The actual prevalence of Amyand's hernia appears to be lower than traditionally reported.
  • Clinical presentation is typically indistinguishable from incarcerated hernias, making preoperative diagnosis challenging.
  • Imaging techniques like ultrasound and CT scans can aid in diagnosis.

Conclusions:

  • Treatment involves hernioplasty, potentially combined with appendectomy and/or mesh repair, tailored to the appendix's condition and patient factors.
  • While generally having a good prognosis, serious complications can occur.
  • Surgeons must be prepared for Amyand's hernia to ensure effective repair and prevent recurrence.