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Related Concept Videos

Mucosal Barrier of the Stomach01:25

Mucosal Barrier of the Stomach

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The gastric glands contain parietal cells that secrete hydrochloric acid (HCl) for digestion. The cells secrete HCl because it is highly corrosive and essential for breaking down food. To achieve this, they secrete hydrogen and chloride ions into the lumen of the gastric glands, which combine to form HCl.
Within parietal cells, carbonic acid is first formed through the reaction of water and carbon dioxide. The dissociation of carbonic acid releases bicarbonate and hydrogen ions. The bicarbonate...
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Gastritis-II: Pathophysiology01:17

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Gastritis is marked by disruption of the mucosal barrier that usually protects the stomach tissue from digestive juices and manifests in acute and chronic forms.
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Gastritis-I: Introduction and Types01:27

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Gastritis, defined by the inflammation or irritation of the stomach lining or gastric mucosa, manifests in several distinct forms: acute, chronic, reactive, and a specific subtype known as autoimmune metaplastic atrophic gastritis.
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Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies01:28

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Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
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Barrett Esophagus-I: Introduction01:21

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Barrett's esophagus is a medical condition where the esophageal mucosa is significantly damaged by stomach acid or other digestive fluids, often due to long-term exposure associated with gastroesophageal reflux disease (GERD). In GERD, a weakened or abnormally relaxed lower esophageal sphincter allows stomach acid to flow persistently into the esophagus.
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Related Experiment Video

Updated: Jun 23, 2025

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Ectopic "Ectopic" Gastric Mucosa.

Adeel Haq1, Amin Haghighat Jahromi1

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Diagnostics (Basel, Switzerland)
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Summary

Meckel's diverticulum, a common small intestine anomaly, typically presents with ectopic gastric mucosa near the ileocecal valve. This case highlights an unusual upper abdominal Tc-99 scintigraphy finding, emphasizing the need for awareness of atypical presentations.

Keywords:
Meckel’s diverticulumTc-99m pertechnetateectopic gastric mucosaomphalo-mesenteric duct remnant

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Area of Science:

  • Gastroenterology
  • Diagnostic Imaging
  • Pediatric Surgery

Background:

  • Meckel's diverticulum is the most common congenital anomaly of the small intestine, arising from the omphalomesenteric duct.
  • Ectopic gastric mucosa is found in approximately half of Meckel's diverticulum cases, often leading to complications.
  • Conventional imaging modalities like radiography and sonography have limited diagnostic value for Meckel's diverticulum.

Purpose of the Study:

  • To report a rare case of Meckel's diverticulum with ectopic gastric mucosa presenting with an atypical location on Tc-99 scintigraphy.
  • To increase radiologist awareness of unusual imaging findings for Meckel's diverticulum.
  • To emphasize the importance of considering atypical presentations in diagnosing gastrointestinal anomalies.

Main Methods:

  • Review of a case involving Tc-99 pertechnetate scintigraphy for suspected Meckel's diverticulum.
  • Correlation of imaging findings with surgical confirmation.
  • Literature review for similar atypical presentations of Meckel's diverticulum.

Main Results:

  • Tc-99 scintigraphy revealed ectopic gastric mucosal uptake in the upper mid abdomen, an atypical location.
  • Surgical exploration confirmed Meckel's diverticulum located in the mid ileum.
  • This represents a rare instance of an ectopic Meckel's diverticulum with unusual scintigraphic localization.

Conclusions:

  • Atypical presentations of Meckel's diverticulum, particularly with ectopic gastric mucosa, can occur.
  • Radiologists should be aware of unusual Tc-99 scintigraphy findings to ensure timely diagnosis and management.
  • Familiarity with rare imaging patterns aids in the diagnosis of common congenital GI anomalies.