中图分类号：
Ｒ735.9
Ｒ814.42
Ｒ445.1
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参考文献
[1]George H, Smyrniotis V, Kaye M, et al. Primary pancreatic cystic neoplasms revisited. Part I: Serous cystic neoplasms[J]. Surg Oncol, 2011, 20(2): 84-92.
[2]D’Onofrio M, Megibow AJ, Faccioli N, et al. Comparison of contrast-enhanced sonography and MRI in displaying anatomic features of cystic pancreatic masses[J]. AJR, 2007, 189(6): 1435-1442.
[3]Fan Z, Yan K, Wang Y, et al. Application of contrast-enhanced ultrasound in cystic pancreatic lesions using a simplified classification diagnostic criterion[J]. Biomed Res Int, 2015, 2015:974621.
