title: 18F-FDG uptake in intraductal tubulopapillary neoplasm of the pancreas.
abstract: We report a 74-year-old man with intraductal tubulopapillary neoplasm (ITPN), a rare primary intraductal neoplasm of the pancreas. Focal intense uptake of 18F-FDG was seen on the initial PET, corresponding to a pancreatic mass. Although the patient had no treatment, the uptake was mild to moderate on a second PET performed about 1 month later. The tumor was resected, with the final diagnosis of ITPN with an associated invasive carcinoma. Clinicians should be aware that decreased uptake of FDG during the follow-up period without treatment can occur even in malignant tumors.
authors.affiliation: From the Departments of *Diagnostic Radiology, †Hepatobiliary Pancreatic Surgery and Transplantation, and ‡Diagnostic Pathology, Kyoto University Hospital, Kyoto, Japan.
authors.forename: Yuko
authors.initials: Y
authors.lastname: Someya
authors.forename: Yuji
authors.initials: Y
authors.lastname: Nakamoto
authors.forename: Koya
authors.initials: K
authors.lastname: Nakatani
authors.forename: Michiya
authors.initials: M
authors.lastname: Kawaguchi
authors.forename: Sachiko
authors.initials: S
authors.lastname: Minamiguchi
authors.forename: Kaori
authors.initials: K
authors.lastname: Togashi
mesh_terms: D000368:Aged; D001692:Biological Transport; D019788:Fluorodeoxyglucose F18 / Q000378:metabolism*; D006801:Humans; D008297:Male; D010190:Pancreatic Neoplasms / Q000000981:diagnostic imaging* / Q000378:metabolism* / Q000601:surgery; D049268:Positron-Emission Tomography
chemical_list: D019788:Fluorodeoxyglucose F18