Related Experiment Videos
Chronic atrophic fundic gastritis diagnosed by a modified Congo red test
1Department of Internal Medicine, University Hospital MAS, University of Lund, Malmo, Sweden.
Endoscopy
|November 1, 1995
Summary
A modified endoscopic Congo red test (MCRT) reliably diagnoses chronic atrophic fundic gastritis (CAFG). This fast, cost-effective method improves upon traditional gastroscopy for identifying CAFG and associated diseases.
Area of Science:
- Gastroenterology
- Endoscopic diagnostics
- Histopathology
Background:
- Chronic atrophic fundic gastritis (CAFG) is linked to serious conditions like gastric cancer and anemia.
- Current gastroscopic diagnosis of CAFG lacks certainty despite technical advancements.
- Congo red chromogastroscopy shows potential but is not yet standard practice.
Purpose of the Study:
- To develop a dependable endoscopic technique for diagnosing CAFG.
- To assess the efficacy of a modified endoscopic Congo red test (MCRT) for CAFG detection.
Main Methods:
- A prospective study of 124 patients compared routine video gastroscopy with MCRT.
- MCRT involved observing fundic mucosa color change after pentagastrin injection.
- Results were validated against histological examination of fundic biopsies.
Main Results:
- Histology confirmed CAFG in 40 of 124 patients.
- MCRT demonstrated a diagnostic sensitivity of 1.0 and a positive predictive value of 0.90.
- Routine macroscopic gastroscopy had significantly lower sensitivity (0.25) and predictive value (0.50).
Conclusions:
- MCRT is a highly sensitive and rapid method for CAFG identification.
- The test is cost-effective and suitable for routine gastroscopic procedures.
- MCRT offers a reliable diagnostic tool for chronic atrophic fundic gastritis.