Yeldir, NeşeBozbıyık, NisaÖzer, HaticeTopçu, Ömer2025-05-042025-05-0420211305-0028https://hdl.handle.net/20.500.12418/32729Heterotopia is mass of tissue normal to the site in abnormal location. Heterotopic gastric mucosa has been described in almost every part of the gastrointestinal tract including the tongue, oesophagus, epiglottis, small bowel, appendix vermiformis, rectum and gallbladder. The diagnosis of heterotopic gastric mucosa in gallbladder can be difficult clinically . Heterotopic gastric mucosa in gallbladder can be symptomatic or detected incidentally. It is relevant to distinguish heterotopic gastric mucosa from benign polyps, gallbladder carcinoma or metastasis. We present a case of a 51 year old female patient who represented suspicious lesion on computed tomography (CT). After cholecystectomy, in the microscopical examination gastric mucosa consisting of fundic glands and pyloric glands and typical features of chronic cholecystitis are seen.[No abstract available]en10.7197/cmj.1051772https://doi.org/10.7197/cmj.1051772info:eu-repo/semantics/openAccessGallbladderheterotopic gastric mucosachronic cholecystitisCase Report434430427