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Article in Chinese | WPRIM | ID: wpr-434484


Objective To summarize and analyze data of solid pseudopapillary tumor of pancreas (SPTP) in China,and investigate its epidemiology,clinical features,diagnosis and treatment.Methods Retrieval of Chinese Medical Current Contents and China Biology Medicine disc by the key words of solid pseudopapillary tumor of the pancreas,papillary cystic tumor of the pancreas,pancreatic papillary epithelial tumor,cystic solid tumor of pancreas and Frantz tumor were performed,and relevant literatures were included.Results A total of 1180 SPTP patients from 117 articles were involved.There were 1054 women and 126 men and the ratio of male to female was 1:8.37.The average age was 29 years old (range 9 ~83 years).Detailed clinical information was available for 1172 cases,and the main clinical manifestations included abdominal discomfort (n=526,44.88%),medical check-up (n=464,39.59%),abdominal mass (n=131,11.18%).Laboratory and imaging tests were non-specific.The tumors size was 1.3~ 30 cm with a mean value of 7.84 cm.Four handreds and seven (36.8%) cases were located in pancreatic head,96 (8.7%)were in pancreas neck and 587 (53.1%) were in the body and tail of pancreas.Eleven handreds and sixteen patients received treatment,and the resection rate was 99.2% (n =1107).Pathological examination showed that 628(57.0%) cases were benign and 306 (27.8%) were presented as malignant behavior,mainly as infiltrative growth and invasion of the surrounding organs,vessels.Nine handreds and seventy-seven cases were followed up (ranging from 1 month to 13 years),and re-occurrence or metastasis were detected in 42 cases (4.3%) and 24 patients died.Conclusions Solid pseudopapillary tumor of pancreas is a rare pancreatic tumor with low-grade malignant potential,and part of this tumor may present as malignant behavior and it primarily affects young females.No characteristics in clinical manifestations,laboratory and imaging tests are found.Pathological examination can confirm the diagnosis.Surgical resection is the therapy of choice and the prognosis is good.