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18F-FDG PET/MR in an Atypical Pediatric Solid Pseudopapillary Pancreatic Tumor

Cavaliere, Annachiara MD*; Giraudo, Chiara MD, PhD*; Zuliani, Monica MD*; Cecchin, Diego MD; Quaia, Emilio MD*

doi: 10.1097/RLU.0000000000002671
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MR and 18F-FDG PET/MR images of a 15-year-old boy with recurrent mild abdominal pain and hyperamylasemia demonstrating a pancreatic head lesion hypointense on the T1-weighted and slightly hyperintense on the T2-weighted images, with very small pseudocystic areas, restricted diffusion on the apparent diffusion coefficient map, and focal FDG uptake. No other pathologic findings such as enlarged lymph nodes, vascular invasion, metastases, dilatation of the main pancreatic duct, or pathologic uptake of the parotid glands were detected. The MR features, even if atypical, together with the focal uptake, allowed the diagnosis of pediatric solid pseudopapillary pancreatic tumor, which was then confirmed by histology.

From the *Radiology Institute

Nuclear Medicine Unit, Department of Medicine – DIMED, University of Padova, Italy.

Received for publication September 30, 2018; revision accepted May 5, 2019.

Conflicts of interest and sources of funding: none declared.

The article has not been published or considered for publication elsewhere.

All authors have approved the manuscript and have significantly contributed to it.

Correspondence to: Chiara Giraudo, MD, PhD, Institute of Radiology, Department of Medicine – DIMED, Padova University Via Giustiniani 2, 35100 Padova, Italy. E-mail: chiara.giraudo@unipd.it.

Online date: July 5, 2019

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