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Related Concept Videos

Gastritis-I: Introduction and Types01:27

Gastritis-I: Introduction and Types

2.0K
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.
Acute gastritis presents as a sudden inflammation triggered by various stressors to the stomach lining, such as exposure to corrosive agents, local irritants like aspirin and other NSAIDs, alcohol consumption, radiation therapy, physical trauma, severe burns, sepsis,...
2.0K
Gastritis-II: Pathophysiology01:17

Gastritis-II: Pathophysiology

1.1K
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.
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...
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Gastritis III: Clinical Manifestations and Management01:23

Gastritis III: Clinical Manifestations and Management

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The clinical manifestations of gastritis can vary depending on the cause and type of gastritis, but some common symptoms may include the following.
Clinical manifestations of acute gastritis
The patient with acute gastritis may have a rapid onset of symptoms, such as epigastric pain or discomfort, dyspepsia, anorexia, hiccups, or nausea and vomiting, which can last from a few hours to a few days. Erosive or hemorrhagic gastritis may cause bleeding, which may manifest as blood in vomit or as...
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Barrett Esophagus-I: Introduction01:21

Barrett Esophagus-I: Introduction

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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.
This constant acid exposure transforms the esophagus's pink mucosal lining (stratified squamous epithelium) into a type of lining more...
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Modification of the endoscopic hemostatic powder application technique.

VideoGIE : an official video journal of the American Society for Gastrointestinal Endoscopy·2023
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Primary gastric choriocarcinoma.

Katia Picazo Ferrera1, Miguel Ángel Herrera Servin1, Angélica I Hernández Guerrero2

  • 1Endoscopia Gastrointestinal, Instituto Nacional de Cancerología, México.

Revista Espanola De Enfermedades Digestivas
|February 6, 2020
PubMed
Summary

Primary gastric choriocarcinoma, a rare cancer, often presents like adenocarcinoma. Early detection is crucial, as elevated beta-human chorionic gonadotropin levels can indicate this aggressive trophoblastic tumor.

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Gene Regulation and Targeted Therapy in Gastric Cancer Peritoneal Metastasis: Radiological Findings from Dual Energy CT and PET/CT
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Area of Science:

  • Oncology
  • Gastroenterology
  • Pathology

Background:

  • Choriocarcinomas are aggressive epithelial tumors of trophoblastic cells, with a low incidence in pregnant patients.
  • Primary gastric choriocarcinoma is exceptionally rare, accounting for only 0.08% of all gastric cancers.
  • These tumors can mimic adenocarcinoma clinically, posing diagnostic challenges.

Purpose of the Study:

  • To highlight the diagnostic challenges of primary gastric choriocarcinoma.
  • To present three cases of primary gastric choriocarcinoma initially misdiagnosed as adenocarcinoma.
  • To emphasize the importance of considering rare diagnoses in gastric malignancies.

Main Methods:

  • Retrospective case review of three patients with primary gastric choriocarcinoma.
  • Analysis of clinical presentations, diagnostic workup, and histopathological findings.
  • Comparison with initial misdiagnoses of adenocarcinoma.

Main Results:

  • All three cases presented with symptoms similar to gastric adenocarcinoma.
  • Initial diagnoses were adenocarcinoma, leading to delayed specific treatment.
  • Elevated serum beta-human chorionic gonadotropin (β-hCG) levels were noted in these cases, a key indicator.
  • Histopathological examination confirmed choriocarcinoma in all three patients.

Conclusions:

  • Primary gastric choriocarcinoma is a rare entity that requires a high index of suspicion.
  • Elevated serum β-hCG is a critical diagnostic clue that should prompt further investigation.
  • Distinguishing choriocarcinoma from adenocarcinoma is essential for appropriate therapeutic strategies and improved patient outcomes.