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Related Concept Videos

Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

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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.
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...
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Appendicitis-II: Diagnostic Studies and Management01:29

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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
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Assessment of the Rectum and Anus01:25

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Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
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Related Experiment Video

Updated: Mar 18, 2026

Murine Appendectomy Model of Chronic Colitis Associated Colorectal Cancer by Precise Localization of Caecal Patch
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Unusual case of appendicitis.

Luke Nelson Allen1, Alice Yi-Chien Tsai2

  • 1Nuffield Department of Population Health, University of Oxford, Oxford, UK Department of Public Health, Royal Cornwall Hospital, Truro, UK.

BMJ Case Reports
|July 2, 2016
PubMed
Summary

Pinworm (Enterobius vermicularis) infection can mimic appendicitis in children, leading to unnecessary surgery. Prompt recognition of pinworm symptoms can prevent invasive procedures and ensure effective treatment with medication.

Area of Science:

  • Gastroenterology
  • Paediatric Surgery
  • Infectious Diseases

Background:

  • Appendicitis is a common cause of acute abdominal pain in children.
  • Non-specific abdominal pain often requires thorough investigation to rule out surgical emergencies.
  • Enterobius vermicularis (pinworm) infection is prevalent in children and can cause abdominal discomfort.

Observation:

  • A teenage girl presented with right iliac fossa pain, initially diagnosed as non-specific.
  • Standard investigations including blood tests, urine analysis, and ultrasound were inconclusive.
  • Diagnostic laparoscopy revealed no significant pathology but identified numerous pinworms during appendicectomy.

Findings:

  • The patient's right iliac fossa pain resolved completely after appendicectomy and pinworm treatment.

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  • Enterobius vermicularis infestation was the underlying cause of the abdominal pain.
  • Early diagnosis of pinworm infection could have averted surgical intervention.

    • Implications:

    • This case highlights the importance of considering parasitic infections in the differential diagnosis of paediatric abdominal pain.
    • Prompt clinical recognition of pinworm symptoms can prevent unnecessary appendicectomy and associated risks.
    • Effective anti-parasitic treatment, such as mebendazole, offers a conservative and successful management strategy.