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Updated: May 11, 2026
Dynamic Contrast Enhanced Magnetic Resonance Imaging of an Orthotopic Pancreatic Cancer Mouse Model
Published on: April 18, 2015
Heterotopic Pancreas Mimicking Gastrointestinal Stromal Tumor on 68 Ga-NOTA-RM26 PET/CT
Rongxi Wang1, Xingtong Peng, Jiarou Wang
1Department of Nuclear Medicine, State Key Laboratory of Complex Severe and Rare Diseases, Beijing Key Laboratory of Molecular Targeted Diagnosis and Therapy in Nuclear Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
Abstract:
Heterotopic pancreas is a congenital malformation of various shapes and origins and is usually asymptomatic, which can simulate benign tumors on imaging, so diagnosis usually requires biopsy or surgical resection. We present a young woman with abdominal distension who was found to have a gastric mass that was suspected to be a gastrointestinal stromal tumor (GIST) by gastroscopy and enhanced CT. 68 Ga-NOTA-RM26 PET/CT, a novel imaging modality targeting the gastrin-releasing peptide receptor (GRPR), also showed intense uptake in the mass. Pathology results of the resected mass demonstrated pancreatic tissue, supporting the diagnosis of heterotopic pancreas.
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