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Appendicitis

Appendicitis

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...

Appendicitis-I: Introduction

Appendicitis-I: Introduction

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.
Etiology: Appendicitis can arise from various causes, primarily rooted in the obstruction of the appendix lumen. Factors contributing to this obstruction include fecal accumulation, lymphoid hyperplasia and, in...

Appendicitis-II: Diagnostic Studies and Management

Appendicitis-II: Diagnostic Studies and Management

Diagnosing and managing appendicitis requires a structured and comprehensive approach that spans from initial assessment to postoperative care. Here is an overview of the process:
Diagnosing Appendicitis
It requires a multifaceted approach, starting with a detailed physical examination to pinpoint the location and nature of the pain and identify any associated symptoms. Laboratory tests play a crucial role. A complete Blood Count (CBC) typically reveals leukocytosis (an increased number of...

Microbial Interactions: Parasitism

Microbial Interactions: Parasitism

Parasitism is a form of microbial interaction in which parasitic microbes exploit a host organism for nutrients and shelter, often at the host's expense. Unlike mutualistic relationships, where both organisms benefit, parasitism benefits only the parasite and harms the host.Classification of ParasitesMicrobial parasites are broadly classified based on their location relative to the host.Ectoparasites remain on the host’s surface, such as the skin or outer tissues, drawing nutrients...

Cholecystitis

Cholecystitis

Cholecystitis is inflammation of the gallbladder, most commonly caused by obstruction of the cystic duct. This blockage prevents bile from draining, leading to gallbladder distension, inflammation, and potentially serious complications. This condition may present acutely or chronically and can happen with or without gallstones.EtiologyAbout 95% of cholecystitis cases are calculous, caused by gallstones blocking the cystic duct, leading to bile accumulation and inflammation of the gallbladder...

Diverticular Disease of the Colon

Diverticular Disease of the Colon

Diverticular disease involves the formation of diverticula—small sac-like outpouchings of the colonic wall—and their complications. It most commonly affects the sigmoid colon due to higher intraluminal pressure and structural vulnerability. It results from structural weakness and increased pressure in the colon, producing pseudodiverticula that may remain silent or progress to inflammation and serious complications.Structure of DiverticulaIn diverticulosis, these outpouchings are...

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Related Experiment Video

Updated: May 25, 2026

Murine Appendectomy Model of Chronic Colitis Associated Colorectal Cancer by Precise Localization of Caecal Patch

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[Parasitic infection causing appendicitis].

J Jarry¹, O Fall, B Blandel

¹Service de chirurgie viscérale, HIA Desgenettes, Lyon. julienjarry@hotmail.com

Medecine Tropicale : Revue Du Corps De Sante Colonial

|January 13, 2012

Summary

This summary is machine-generated.

Appendicular parasitosis, caused by Enterobius vermicularis, is a rare condition discovered post-appendectomy. This study highlights the need to consider parasitic infections in appendicitis diagnosis and treatment.

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Area of Science:

Gastroenterology
Parasitology
Surgical Pathology

Background:

Appendicitis is a common surgical emergency.
Appendicular parasitosis is infrequently diagnosed, particularly in developed countries.

Observation:

A retrospective analysis identified two cases of appendicular oxyuriasis (Enterobius vermicularis) in patients undergoing appendectomy.
Prevalence of appendicular parasitosis was 3.3% in the studied cohort.

Findings:

Enterobius vermicularis was incidentally discovered after appendectomy in both cases.
The findings question the role of parasites in appendicitis pathophysiology.

Implications:

Highlights the importance of considering parasitic infections in appendicitis.
Suggests a need for medical treatment post-appendectomy for parasitic appendicitis.
Contrasts prevalence rates with developing countries, indicating geographical variations in appendicular parasitosis.