Two patients with heterotopic gastric cysts are presented and the literature is briefly reviewed. These cysts are histologically characterized by a gastric mucosa with parietal and chief cells, gastric glands and sometimes even have a muscularis mucosae.
Awouters, P., & Reychler, H. (1991). Enteric duplication in the oral cavity. International Journal of Oral and Maxillofacial Surgery, 20(1), 12-14. https://doi.org/10.1016/S0901-5027(05)80687-3 (Original work published 1991)