Home > D. Systemic pathology > Infectious diseases > Helicobacter heilmannii

Helicobacter heilmannii

Thursday 20 October 2005

H. heilmannii belongs to the Helicobacter family and is found in a small number of gastric biopsies. This bacterium is generally found in primates, cats, pigs, and carnivorous mammals. About 0.5% to 6% of human gastric infections have been attributed to H. heilmannii.

Pathology

- mild chronic gastritis with prominent lymphoid aggregates
- peptic ulceration
- gastric carcinoma
- mucosa-associated lymphoid tissue lymphoma (MALT lymphoma or extra-nodal marginal zone lymphoma)

References

- Singhal AV, Sepulveda AR. Helicobacter heilmannii gastritis: a case study with review of literature. Am J Surg Pathol. 2005 Nov;29(11):1537-9. PMID: #16224223#