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DOI:10.2214/AJR.05.0569
AJR 2006; 187:W178-W186
© American Roentgen Ray Society

Pictorial Essay

Solid Pseudopapillary Tumor of the Pancreas: Typical and Atypical Manifestations

Jin-Young Choi1,2,3, Myeong-Jin Kim1,2,4,5, Joo Hee Kim1,2, Seung Hyoung Kim1,2, Joon Sok Lim1,2, Young Taik Oh1,2, Jae-Joon Chung1,2, Hyung Sik Yoo1,2, Jong Tae Lee1,2 and Ki Whang Kim1,2

1 Department of Diagnostic Radiology, Yonsei University College of Medicine, Seodaemun-ku Shinchon-dong 134, Seoul 120-752, Korea.
2 Research Institute of Radiological Science, Yonsei University College of Medicine, Seoul 120-752, Korea.
3 Department of Radiology and Institute of Radiation Medicine, Seoul National University Hospital, Seoul, Korea.
4 Brain Korea 21 Project for Medical Science, Yonsei University College of Medicine, Seoul 120-752, Korea.
5 Institute of Gastroenterology, Yonsei University College of Medicine, Seoul 120-752, Korea.

OBJECTIVE. The purpose of this pictorial essay is to illustrate the various appearances of solid pseudopapillary tumor of the pancreas.

CONCLUSION. Solid pseudopapillary tumor of the pancreas is a rare neoplasm usually found in young women. Typical solid pseudopapillary tumor is characterized by a well-encapsulated mass with varying amounts of intratumoral hemorrhage. However, the tumor can have an atypical appearance, such as metastasis, ductal obstruction, parenchymal and extracapsular invasion, simulation of islet cell tumor, intratumoral calcification, and occurrence in a male patient. The typical and atypical manifestations of solid pseudopapillary tumor can be visualized with cross-sectional imaging.

Keywords: CT • MRI • pancreas • pancreatic neoplasms


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