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Published on: May 16, 2025
Comparative assessment of Helicobacter pylori colonization in children tonsillar tissues
Yalda Jabbari Moghaddam1, Mandana Rafeey, Reza Radfar
1Liver and Gastrointestinal Research Center, Tabriz University (Medical Sciences), Iran.
Insights
The rapid urease test (RUT) is not sensitive enough to detect Helicobacter pylori in children
Area of Science:
- Pediatric infectious diseases
- Gastroenterology
- Microbiology
Background:
- Helicobacter pylori (H. pylori) infection is prevalent in children.
- The tonsils may serve as a reservoir for H. pylori.
Purpose of the Study:
- To evaluate the efficacy of the rapid urease test (RUT) for diagnosing H. pylori in pediatric tonsillar tissues.
- To determine the presence of H. pylori in tonsillar tissue of children.
Main Methods:
- Prospective clinical study involving 285 children aged 4-14 years.
- Tonsillar tissue samples were tested using RUT and histopathologic biopsy.
- Serum IgG H. pylori levels were measured simultaneously.
Main Results:
- H. pylori was detected in 39.6% of children via histopathology.
- Only 14% of patients had a positive RUT result.
- Histopathology and RUT showed positive results concurrently in 40 patients.
Conclusions:
- H. pylori is present in the tonsillar tissues of children.
- The rapid urease test (RUT) demonstrates low sensitivity for diagnosing H. pylori in tonsillar tissue.
- Tonsils may play a role in H. pylori reservoirs in pediatric populations.
Objective:
The objective was to survey the results of RUT (rapid urease test) in children tonsillar tissues.
Methods:
In a prospective clinical study 285 children (4-14 years) tonsillar tissue tested with RUT (rapid urease test) and histopathologic biopsy and simultaneously serum IgG Helicobacter pylori level was measured for all patients.
Results:
One hundred and thirteen patients (39.6%) were positive to H. pylori in histopathologic examination. Forty patients (14%) had positive RUT and 15 patients had positive serum IgG anti-H. pylori level. In 40 patients the results in both histopathology and RUT were positive (P=0.000) although in 172 patients the results in both histopatologhic and RUT were negative (P=0.000).
Conclusions:
This study showed that H. pylori was present in tonsillar tissue and RUT is not sensitive enough for diagnosis of H. pylori in tonsillar tissue. Indicating that H. pylori has a possible role in reservoir of H. pylori in children.
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