2Abraham SC, Klimstra DS, Wilentz RE, et al. Solid-pseudopapillary tumors of the pancreas are genetically distinct from pancreatic ductal adenocarcinomas and almost always harbor beta-catenin mutations [J]. Am J Pathol, 2002,160:1361 - 1369.
3Kloppel G, Hruban R, Luttges J, et al. Solid-pseudopapillary neoplasm [A]. In: Hamilton SR and Aahonen LA ed. Pathology and Genetics of the Tumors of the Digestive System [ M ]. WHO Classfication of Tumors. Lyon: IARC Press,2000. 246 - 248.
4Solcia E, Capella C, Kloppel G. Tumors of the pancreas [ M ].Washington DC:AFIP, 1997.120 - 128.