Related Experiment Video
Updated: Mar 26, 2026
Gastric Mucosa Quantitative Polymerase Chain Reaction Analysis for Detecting Helicobacter pylori and Antibiotic Resistance
Published on: March 7, 2025
Detection of Helicobacter pylori in Nasal Polyps
Divya Bansal1, Sonal Sharma2, Sarla Agarwal1
1Department of Pathology, University College of Medical Sciences and GTB Hospital, University of Delhi, Dilshad Garden, Delhi, 110095, India.
Abstract:
To detect the presence of Helicobacter pylori in nasal polyps. A case-control study was conducted enrolling 35 patients with nasal polyps (cases) and patients undergoing septoplasty (controls). Fresh tissue samples were used for urea broth test and imprint cytology, while formalin fixed tissue sections were used for morphology, special stains and immunohistochemistry for H. pylori. Fresh stool samples from both groups were tested to correlate the gastrointestinal status. H. pylori was detected in 40.0 % (14/35) of cases and 8.5 % of controls (3/35) (p = 0.004) by immunohistochemistry. Amongst cases, eight were positive with urea broth test, six with imprint cytology (Giemsa stain), three with H & E, and nine with modified McMullen's stain. Hyperplasia of the lining epithelium and lymphoid aggregates were significantly noticed in nasal polyps positive for H. pylori. Stool antigen test was positive in subjects who were positive for H. pylori in the nasal mucosa. There appears to be an association between H. pylori and nasal polyps. Immunohistochemistry is more sensitive and specific method to detect H. pylori. H. pylori induced inflammatory tissue reaction pattern indicates a possible causal association. Further studies are needed to prove the causal relationship between H. pylori and nasal polyps.
Insights
Helicobacter pylori (H. pylori) was found in 40% of nasal polyps, suggesting a link between this bacterium and nasal polyp development. Further research is needed to confirm this association.
Area of Science:
- Otolaryngology
- Microbiology
- Pathology
Background:
- Helicobacter pylori (H. pylori) is a known cause of gastrointestinal diseases.
- The presence and role of H. pylori in upper respiratory tract conditions, such as nasal polyps, remain largely unexplored.
Purpose of the Study:
- To investigate the prevalence of H. pylori in nasal polyps.
- To explore the potential association between H. pylori infection and the development of nasal polyps.
Main Methods:
- A case-control study compared 35 patients with nasal polyps to controls undergoing septoplasty.
- Tissue samples were analyzed using urea broth, imprint cytology, histology, and immunohistochemistry for H. pylori.
- Stool samples were tested to correlate gastrointestinal H. pylori status.
Main Results:
- H. pylori was detected in 40% of nasal polyp cases versus 8.5% of controls (p=0.004) via immunohistochemistry.
- Nasal polyps positive for H. pylori showed significant hyperplasia and lymphoid aggregates.
- Positive H. pylori stool antigen tests correlated with nasal mucosal positivity.
Conclusions:
- A significant association exists between H. pylori and nasal polyps.
- Immunohistochemistry is a highly sensitive and specific method for detecting H. pylori in this context.
- The observed inflammatory patterns suggest a potential causal role for H. pylori in nasal polyp formation, warranting further investigation.
Related Concept Videos
01:16Treating Helicobacter pylori in Peptic Ulcers: Antimicrobial Therapy
01:28Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
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.