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Updated: Jul 6, 2026

Intraoperative Gastroscopy for Tumor Localization in Laparoscopic Surgery for Gastric Adenocarcinoma
Published on: August 9, 2016
Large Gastric Pyloric Gland Adenoma Mimicking Malignancy on FDG PET/CT
Kun Zheng1,2, Yu Liu1,2, Hongli Jing1,2
1Department of Nuclear Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China.
Abstract:
A 51-year-old woman presented with intermittent upper abdominal pain for two years and unintentional weight loss recently. Gastroscopy revealed a large cardia mass protruding into the gastric lumen. CT examination suggested malignant gastric tumor. Subsequently, ¹⁸F-FDG PET/CT demonstrated heterogeneous intense uptake in the gastric mass. Pathologic examination identified a gastric pyloric gland adenoma by immunohistochemistry. The lesion was resected locally, and the patient recovered well.
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