Related Experiment Video
Updated: Aug 3, 2025
05:50
Author Spotlight: Point-of-Care Ultrasound for Gastric Content Assessment and Risk Stratification in Perioperative Care
Published on: September 22, 2023
3.0K
Self-supervised learning for gastritis detection with gastric X-ray images
Guang Li1, Ren Togo2, Takahiro Ogawa2
1Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan.
Summary
A new self-supervised learning method effectively detects gastritis from gastric X-ray images using minimal annotated data. This approach significantly outperforms existing methods, offering a promising tool for clinical diagnosis.
Area of Science:
- Medical Imaging
- Artificial Intelligence
- Computer-Aided Diagnosis
Background:
- Manual annotation of gastric X-ray images for gastritis detection is labor-intensive and costly.
- Developing automated methods is crucial for efficient and accurate diagnosis.
Purpose of the Study:
- To develop and validate a novel self-supervised learning (SSL) method for gastritis detection using gastric X-ray images.
- To assess the method's effectiveness with limited annotated data.
Main Methods:
- A novel SSL method utilizing a teacher-student architecture was developed to learn discriminative representations from gastric X-ray images.
- The proposed method was fine-tuned on small datasets of annotated images and compared against five SSL techniques and three baseline methods.
Main Results:
- The proposed method achieved high performance, with harmonic mean scores of sensitivity and specificity ranging from 0.875 to 0.931 as annotated data increased.
- It outperformed all compared SSL and traditional methods, demonstrating its efficacy in gastritis detection with few annotations.
Conclusions:
- A novel SSL method based on a teacher-student architecture shows significant potential for clinical application in gastritis detection.
- The method effectively learns from limited annotated gastric X-ray data, addressing the limitations of manual annotation.
Related Concept Videos
01:27Gastritis-I: Introduction and Types
627
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,...
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,...
627
01:28Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
164
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.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
164
01:23Gastritis III: Clinical Manifestations and Management
352
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...
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...
352
01:26Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy
121
This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and...
121
01:29Endoscopic Procedures I: Esophagogastroduodenoscopy
271
An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
During an EGD, the endoscope can be used to:
During an EGD, the endoscope can be used to:
271