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Related Concept Videos

Appendicitis-I: Introduction01:22

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...
Appendicitis01:19

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...
Assessment of the Abdomen II: Percussion01:18

Assessment of the Abdomen II: Percussion

Percussion is a fundamental technique used to assess the liver, spleen, and abdominal organs by tapping the abdomen and interpreting the resulting sounds. This method helps identify fluid, distention, and masses through variations in sound, such as the high-pitched tympany of air-filled areas and the dullness of solid masses. Understanding how to percuss these organs provides valuable information for healthcare professionals in diagnosing conditions early.
Percussion
Percussion is an essential...
Assessment of the Abdomen III: Palpation01:23

Assessment of the Abdomen III: Palpation

Palpation is a crucial tactile examination method for assessing abdominal organs and detecting conditions like tenderness, distention, masses, or fluid. It involves both light and deep palpation techniques, each serving specific diagnostic purposes. Light palpation helps identify tenderness and other surface-level indicators, while deep palpation locates and assess abdominal masses and organ boundaries. A skilled professional can gather valuable insights through palpation, including evaluating...
Pyloric Obstruction01:11

Pyloric Obstruction

Pyloric obstruction, also referred to as gastric outlet obstruction, is a condition characterized by narrowing or blockage at the pylorus—the muscular valve regulating the flow of stomach contents into the duodenum. When this passage becomes impaired, the stomach cannot effectively empty its contents into the small intestine. This disruption leads to a range of gastrointestinal symptoms, including early satiety, bloating, epigastric pain, postprandial nausea, persistent vomiting, and...
Intestinal Obstruction II: Pathophysiology01:07

Intestinal Obstruction II: Pathophysiology

Intestinal obstruction triggers a series of physiological responses, starting with gas and fluid accumulation in the bowel segment proximal to the obstruction, leading to distension. This distended intestine compresses the diaphragm, hindering lung expansion and potentially leading to reduced respiratory effort, atelectasis, and pneumonia.To overcome the blockage, the gut intensifies contractions, causing colicky abdominal pain, nausea, and vomiting, which reduces fluid and food intake and...

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Related Experiment Video

Updated: May 22, 2026

The Dyspepsia Educational Tool As a Novel Aid in Dyspepsia Management
06:40

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Published on: June 29, 2019

[13-Year old boy with abdominal pain].

Irene Thomassen1, Paul J J M Klinkhamer, Marcel C G van de Poll

  • 1Catharina-ziekenhuis, afd. Chirurgie, Eindhoven, the Netherlands. i.thomassen@live.nl

Nederlands Tijdschrift Voor Geneeskunde
|May 4, 2012
PubMed
Summary

A 13-year-old boy with appendicitis symptoms was found to have a healthy appendix during surgery. Histology revealed penetrating enterobiasis, a parasitic worm infection, which was successfully treated with mebendazole.

Area of Science:

  • Gastroenterology
  • Parasitology
  • Pediatric Surgery

Background:

  • Appendicitis is a common surgical emergency in children, often presenting with right lower quadrant abdominal pain.
  • Differentiating appendicitis from other causes of abdominal pain is crucial for appropriate management.
  • Enterobiasis, caused by the pinworm Enterobius vermicularis, is a common intestinal parasite, particularly in children.

Observation:

  • A 13-year-old male presented with clinical signs suggestive of appendicitis.
  • During McBurney's incision, the appendix appeared healthy upon visual inspection.
  • Histopathological examination of the appendix was performed.

Findings:

  • Histologic analysis revealed evidence of penetrating enterobiasis within the appendix.

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  • The presence of pinworm infection was confirmed microscopically.
  • This finding indicated that the patient's symptoms were not due to typical appendicitis but a parasitic infestation.

    • Implications:

    • This case highlights the importance of considering parasitic infections, such as enterobiasis, in the differential diagnosis of pediatric abdominal pain, even when appendicitis is suspected.
    • Histopathological examination of the appendix is essential for accurate diagnosis, especially in cases with atypical presentations.
    • Mebendazole is an effective treatment for enterobiasis, resolving the parasitic infection and associated symptoms.