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2017, Volume 33, Number 1, Page(s) 058-061
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DOI: 10.5146/tjpath.2014.01227 |
A Mimicker of Gallbladder Carcinoma: Cystic Gastric Heterotopia with Intestinal Metaplasia |
Gonca ÖZGÜN1, Şaduman BALABAN ADIM1, Nesrin UĞRAŞ1, Sadık KILIÇTURGAY2 |
1Department of Pathology, Uludağ University, Faculty of Medicine, BURSA, TURKEY
2Department of General Surgery, Uludağ University, Faculty of Medicine, BURSA, TURKEY |
Keywords:
Choristoma, Gastric mucosa, Gallbladder, Carcinoma, Differential diagnosis |
Heterotopic gastric mucosa in the gallbladder is an unusual entity and
is usually clinically silent. We report a 75-year-old female patient who
presented with intermittent upper abdomial pain radiating to the
back. Abdominal imaging studies showed a sessile polypoid lesion and
a gallstone in the gallbladder. Gallbladder carcinoma was suspected
and cholecystectomy performed. Intraoperative frozen section
examination suggested mucinous tumor, suspicious for malignancy.
However, the permanent sections revealed aberrant gastric tissue
consisted of gastric pyloric and fundic glands of heterotopic gastric
mucosa with intestinal metaplasia in the gallbladder.
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