CT and MRI Appearances of Soild-Pseudopapillary Neoplasm of Pancreas_CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY

Authors：

 XIEHuan ^1,2 ,  YINLong-lin ² , GOUWen-xiao ^1,2 , CHENXiao-yu ² , WANGFu-min ²

1. Imaging and Nuclear Medicine, Southwest Medical University, Luzhou 646000, Sichuan Province, China;
2. Department of Radiology, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu 610072, Sichuan Province, China;

Corresponding?author：

YINLong-lin, Email: yinlonglin@163.com

Keywords：

Pancreas solid-pseudopapillary neoplasm; Computed tomography; MR imaging

DOI：

10.7507/1007-9424.20160131

Video：

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Objective To investigate the CT and MR imaging manifestation of solid-pseudopapillary neoplasm of pancreas (SPNP), deepen the understanding of imaging and clinical pathological characteristics of SPNP and improve the level of diagnosis. Methods Between Jan 2010 and Dec 2015, the CT and MR imaging data of seven patients with SPTP proved by surgery and histopathologically were analyzed retrospectively. The following imaging features were reviewed: tumor size, location, shape, margin, encapsulation, calcification, hemorrhage, solid-cystic ratio, pancreatic and bile duct dilatation, the manifestation of plain scan and dynamic pattern of enhancement. Results The population comprised 7 women, the average age was 28.3 years oldwith a median tumor size of 5.7 cm. Tumors were located at body tail of pancreas in 5 cases, at the head in 1 case, and at the tail in 1 case. The tumor were exogenous in 5 cases, endogenous in 2 cases. Five tumors showed the regular margin, inregular in 2 cases. Four cases of plain and enhanced CT scan showed cystic-solid tumors, the solid and encapsulation part ofSPNP presented as hipo-, iso-density, and gradually enhancement after injecting contrast medium. Three cases were examined by MRI, 2 cases appeared hemorrhage, tumor located in the head of pancreas leaded to the secondary ducts dilatations in 1 case. Conciusions There are some characteristics in CT and MRI manifestation of SPNP. Accurate diagnosis meybe created by the imaging study combined with the clinical feature.

Citation： XIEHuan, YINLong-lin, GOUWen-xiao, CHENXiao-yu, WANGFu-min. CT and MRI Appearances of Soild-Pseudopapillary Neoplasm of Pancreas. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2016, 23(4): 493-498. doi: 10.7507/1007-9424.20160131 Copy

1.	Ventriglia A, Manfredi R, Mehrabi S, et al. MRI features of solid pseudopapillary neoplasm of the pancreas. Abdom Imaging, 2014, 39(6):1313-1320.
2.	Franz VK. Tumors of the pancreas.//Rosai J, Sorbin L. eds. Atlas of tumor pathology. Washington DC:Armed Forces Institute of Pathology, 1959:32-33.
3.	Kloppel G, Solcia E, Longnecker DS. Histological typing oftumors of the exocrine pancreas. WHO international histological classification of tumors. 2nd ed. Berlin Heidelberg, New York:Springer, 1996:120-128.
4.	Kl?ppel G, Hruban RH, Klimstra DS, et al. Solid-pseudopapillary tumor of pancreas.//Bosman FT, Carneiro F, Hruban RH, et al, eds. World Health Organization Classification of tumours of the digestive system. 4th ed. Lyon:International Agency for Research on Cancer, 2010:327-330.
5.	井方方, 君慧, 郭洋, 等.國內胰腺實性假乳頭狀1 180例臨床薈萃分析.中國胰腺病雜志, 2013, 13(2):98-102.
6.	Papavramidis T, Papavramidis S. Solid pseudopapillary tumors of the pancreas:review of 718 patients reported in English literature. J Am Coll Surg, 2005, 200(6):965-972.
7.	Kosmahl M, Seada LS, J?nig U, et al. Solid-pseudopapillary tumor of the pancreas:its origin revisited. Virchows Arch, 2000, 436(5):473-480.
8.	王華斌, 李蘇建, 盧光明.胰腺實性-假乳頭狀瘤的CT和MRI表現.中國醫學影像學雜志, 2009, 17(3):222-224.
9.	Cantisani V, Mortele KJ, Levy A, et al. MR imaging features of solid pseudopapillary tumor of the pancreasin adult and pediatric patients. AJR Am J Roentgenol, 2003, 181(2):395-401.
10.	繆飛, 展穎, 王曉穎, 等.胰腺實性-假乳頭狀瘤的CT診斷和鑒別診斷.中華放射學雜志, 2003, 37(5):417-421.
11.	Choi JY, Kim MJ, Kim JH, et al. Solid pseudopapillary tumor of the pancreas:typical and atypical manifestations. AJR Am J Roentgenol, 2006, 187(2):W178-W186.
12.	Yao X, Ji Y, Zeng M, et a1.Solid pseudopapillary tumor of the pancreas:corss-sectional imaging and patholosic correlation. Pancreas, 2010, 39(4):486-491.
13.	Buetow PC, Buck JL, Pantongrag-Brown L, et al. Solid and papillary epithelial neoplasm of the pancreas:imaging-pathologic correlation on 56 cases. Radiology, 1996, 199(3):707-711.
14.	Ohtomo K, Furui S, Onoue M, et al.solid and papillary epithlial neoplasm of the pancreas:MR imaging and pathologic corrrealation. Radiology, 1992, 184(2):567-570.
15.	Nakatani K, Watanabe Y, Okumura A, et al. MR imaging features of solid-pseudopapillary tumor of the pancreas. Magn Reson Med Sci, 2007, 6(2):121-126.
16.	朱珍, 梁宗輝, 竇婭芳, 等.胰腺實性假乳頭狀瘤的臨床和MDCT研究.放射學實踐, 2013, 28(8):861-864.
17.	Yu CC, Tseng JH, Yeh CN, et al. Clinicopathological study of solid and pseudopapillary tumor of pancreas:emphasis on magnetic resonance imaging findings. World J Gastroenterol, 2007, 13(12):1811-1815.
18.	Chung YE, Kim MJ, Choi JY, et al. Differentiation of benign and malignant solid pseudopapillary neoplasms of thepancreas. J Comput Assist Tomogr 2009, 33(5):689-694.
19.	Koizumi J, Kodera K, Kaneda S, et al. Two cases of siold and cystic tumor of the pancreas (including one case of MRI). Nihon Igaku Hoshasen Gakkai Zasshi, 1990, 50(1):56-60.
20.	Lee JH, Yu JS, Kim H, et al. Solid pseudopapillary carcinoma of the pancreas:differentiation frombenign solid pseudopapillary tumour using CT and MRI. Clinical Radioogy, 2008, 63(9):1006-1014.
21.	Salvia R, Bassi C, Festa L, et al. Clinical and biological be-havior of pancreatic solid pseudopapillary tumors:report on 31 consecutive patients. J Surg Oncol, 2007, 95(4):304-310.
22.	Sahani DV, Kadavigere R, Saokar A, et al. Cystic pancreatic lesion:a simple imaging-based classification system for guiding management. Radiographics, 2005, 25(6):1471-1484.
23.	Guerrache Y, Soyer P, Dohan A, et al. Soild pseudopapillary tumor of the pancreas:MR imaging findings in patients. Clin Imaging, 2014, 38(4):475-482.
24.	Acar M, Tatli S. Cystic tumors of the pancreas:a radiological perspective. Diagn Interv Radiol, 2011, 17(2):143-149.
25.	Minami M, Itai Y, Ohtomo K. Cystic endoplasms of the pancreas:comparism of MR imaging with CT. Radiology, 1989, 171(1):53-56.

1. Ventriglia A, Manfredi R, Mehrabi S, et al. MRI features of solid pseudopapillary neoplasm of the pancreas. Abdom Imaging, 2014, 39(6):1313-1320.
2. Franz VK. Tumors of the pancreas.//Rosai J, Sorbin L. eds. Atlas of tumor pathology. Washington DC:Armed Forces Institute of Pathology, 1959:32-33.
3. Kloppel G, Solcia E, Longnecker DS. Histological typing oftumors of the exocrine pancreas. WHO international histological classification of tumors. 2nd ed. Berlin Heidelberg, New York:Springer, 1996:120-128.
4. Kl?ppel G, Hruban RH, Klimstra DS, et al. Solid-pseudopapillary tumor of pancreas.//Bosman FT, Carneiro F, Hruban RH, et al, eds. World Health Organization Classification of tumours of the digestive system. 4th ed. Lyon:International Agency for Research on Cancer, 2010:327-330.
5. 井方方, 君慧, 郭洋, 等.國內胰腺實性假乳頭狀1 180例臨床薈萃分析.中國胰腺病雜志, 2013, 13(2):98-102.
6. Papavramidis T, Papavramidis S. Solid pseudopapillary tumors of the pancreas:review of 718 patients reported in English literature. J Am Coll Surg, 2005, 200(6):965-972.
7. Kosmahl M, Seada LS, J?nig U, et al. Solid-pseudopapillary tumor of the pancreas:its origin revisited. Virchows Arch, 2000, 436(5):473-480.
8. 王華斌, 李蘇建, 盧光明.胰腺實性-假乳頭狀瘤的CT和MRI表現.中國醫學影像學雜志, 2009, 17(3):222-224.
9. Cantisani V, Mortele KJ, Levy A, et al. MR imaging features of solid pseudopapillary tumor of the pancreasin adult and pediatric patients. AJR Am J Roentgenol, 2003, 181(2):395-401.
10. 繆飛, 展穎, 王曉穎, 等.胰腺實性-假乳頭狀瘤的CT診斷和鑒別診斷.中華放射學雜志, 2003, 37(5):417-421.
11. Choi JY, Kim MJ, Kim JH, et al. Solid pseudopapillary tumor of the pancreas:typical and atypical manifestations. AJR Am J Roentgenol, 2006, 187(2):W178-W186.
12. Yao X, Ji Y, Zeng M, et a1.Solid pseudopapillary tumor of the pancreas:corss-sectional imaging and patholosic correlation. Pancreas, 2010, 39(4):486-491.
13. Buetow PC, Buck JL, Pantongrag-Brown L, et al. Solid and papillary epithelial neoplasm of the pancreas:imaging-pathologic correlation on 56 cases. Radiology, 1996, 199(3):707-711.
14. Ohtomo K, Furui S, Onoue M, et al.solid and papillary epithlial neoplasm of the pancreas:MR imaging and pathologic corrrealation. Radiology, 1992, 184(2):567-570.
15. Nakatani K, Watanabe Y, Okumura A, et al. MR imaging features of solid-pseudopapillary tumor of the pancreas. Magn Reson Med Sci, 2007, 6(2):121-126.
16. 朱珍, 梁宗輝, 竇婭芳, 等.胰腺實性假乳頭狀瘤的臨床和MDCT研究.放射學實踐, 2013, 28(8):861-864.
17. Yu CC, Tseng JH, Yeh CN, et al. Clinicopathological study of solid and pseudopapillary tumor of pancreas:emphasis on magnetic resonance imaging findings. World J Gastroenterol, 2007, 13(12):1811-1815.
18. Chung YE, Kim MJ, Choi JY, et al. Differentiation of benign and malignant solid pseudopapillary neoplasms of thepancreas. J Comput Assist Tomogr 2009, 33(5):689-694.
19. Koizumi J, Kodera K, Kaneda S, et al. Two cases of siold and cystic tumor of the pancreas (including one case of MRI). Nihon Igaku Hoshasen Gakkai Zasshi, 1990, 50(1):56-60.
20. Lee JH, Yu JS, Kim H, et al. Solid pseudopapillary carcinoma of the pancreas:differentiation frombenign solid pseudopapillary tumour using CT and MRI. Clinical Radioogy, 2008, 63(9):1006-1014.
21. Salvia R, Bassi C, Festa L, et al. Clinical and biological be-havior of pancreatic solid pseudopapillary tumors:report on 31 consecutive patients. J Surg Oncol, 2007, 95(4):304-310.
22. Sahani DV, Kadavigere R, Saokar A, et al. Cystic pancreatic lesion:a simple imaging-based classification system for guiding management. Radiographics, 2005, 25(6):1471-1484.
23. Guerrache Y, Soyer P, Dohan A, et al. Soild pseudopapillary tumor of the pancreas:MR imaging findings in patients. Clin Imaging, 2014, 38(4):475-482.
24. Acar M, Tatli S. Cystic tumors of the pancreas:a radiological perspective. Diagn Interv Radiol, 2011, 17(2):143-149.
25. Minami M, Itai Y, Ohtomo K. Cystic endoplasms of the pancreas:comparism of MR imaging with CT. Radiology, 1989, 171(1):53-56.

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CT and MRI Appearances of Soild-Pseudopapillary Neoplasm of Pancreas

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