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MR Imaging Features of Solid Pseudopapillary Tumor of the Pancreas in Adult and Pediatric Patients

Vito Cantisani1,2, Koenraad J. Mortele1, Angela Levy3,4, Jonathan N. Glickman5, Paolo Ricci2, Roberto Passariello2, Pablo R. Ros1 and Stuart G. Silverman1

1 Section of Abdominal Imaging and Intervention, Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis St., Boston, MA 02115.
2 Department of Radiology, University "La Sapienza," Rome, 0017 Italy.
3 Department of Radiologic Pathology, Armed Forces Institute of Pathology, Washington, DC 20306.
4 Department of Radiology, Uniformed Services University of Health Sciences, Bethesda, MD 20814.
5 Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115.



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  		Fig. 1A. —24-year-old woman with solid pseudopapillary tumor of pancreas. Axial unenhanced T1-weighted gradient-echo image shows well-defined heterogeneous hyperintense mass (arrows) in head of pancreas.

 


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  		Fig. 1B. —24-year-old woman with solid pseudopapillary tumor of pancreas. Photograph of gross surgical specimen shows hemorrhagic appearance of mass.

 


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  		Fig. 2A. —74-year-old man with solid pseudopapillary tumor of pancreas. Axial unenhanced T2-weighted image shows heterogeneous hyperintense mass (arrows) in tail of pancreas.

 


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  		Fig. 2B. —74-year-old man with solid pseudopapillary tumor of pancreas. Photograph of gross surgical specimen shows heterogeneous appearance of mass consisting of solid, cystic, and hemorrhagic components.

 


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  		Fig. 3A. —17-year-old girl with solid pseudopapillary tumor of pancreas. Unenhanced axial T2-weighted image shows well-defined heterogeneous hyperintense mass (long arrows) in tail of pancreas. Note presence of hypointense capsule (short arrows).

 


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  		Fig. 3B. —17-year-old girl with solid pseudopapillary tumor of pancreas. Axial unenhanced T1-weighted image shows hyperintensity of mass (arrows).

 


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  		Fig. 3C. —17-year-old girl with solid pseudopapillary tumor of pancreas. Portal venous phase axial T1-weighted image obtained after gadolinium administration shows predominant enhancement of capsule (arrows).

 


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  		Fig. 3D. —17-year-old girl with solid pseudopapillary tumor of pancreas. Photograph of gross surgical specimen shows bordering of mass by fibrous capsule (arrows).

 


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  		Fig. 4A. —28-year-old man with solid pseudopapillary tumor of pancreas. Unenhanced coronal T1-weighted gradient-echo image shows well-defined hypointense mass (arrows) in head of pancreas.

 


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  		Fig. 4B. —28-year-old man with solid pseudopapillary tumor of pancreas. Arterial phase coronal T1-weighted gradient-echo image obtained after gadolinium administration shows early peripheral enhancement (arrows) of mass.

 


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  		Fig. 4C. —28-year-old man with solid pseudopapillary tumor of pancreas. Portal venous phase axial T1-weighted gradient-echo image obtained after gadolinium administration shows progressive fill-in of mass.

 

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