Solid pseudopapillary neoplasm(SPN)of the pancreas is a low-grade malignant tumor,representing 0.9%to 2.7%of exocrine pancreatic tumors and only 5%of cystic pan-creatic tumors.^([1])These tumors are heterogenous with ...Solid pseudopapillary neoplasm(SPN)of the pancreas is a low-grade malignant tumor,representing 0.9%to 2.7%of exocrine pancreatic tumors and only 5%of cystic pan-creatic tumors.^([1])These tumors are heterogenous with variable solid and pseudopapillary areas.The characteristic features of SPN are poorly cohesive epithelial cells forming papillary-like structures on myxoid or hyalinized vascular stalk.展开更多
文摘Solid pseudopapillary neoplasm(SPN)of the pancreas is a low-grade malignant tumor,representing 0.9%to 2.7%of exocrine pancreatic tumors and only 5%of cystic pan-creatic tumors.^([1])These tumors are heterogenous with variable solid and pseudopapillary areas.The characteristic features of SPN are poorly cohesive epithelial cells forming papillary-like structures on myxoid or hyalinized vascular stalk.