Table 1.

Classifications of pancreatic lesions.

Non-neoplastic cysts	Pseudocyst Simple/congenital cyst Retention cyst Mucinous non-neoplastic cyst Enterogenous cyst Periampullary duodenal wall cyst Endometrial cyst
Neoplastic cysts	Mucinous cystic lesions Intraductal papillary mucinous neoplasm Mucinous cystic neoplasm Serous cystic neoplasm Non-mucinous cystic lesions Serous cystadenocarcinoma Solid pseudopapillary neoplasm Cystic neuroendocrine neoplasm Acinar cell cystic neoplasm Cystic hamartoma Cystic teratoma Cystic pancreatoblastoma Ductal adenocarcinoma with cystic degeneration
Other neoplastic lesions	Pancreatic adenocarcinoma Acinar cell carcinoma Neuroendocrine tumors Lymphomas Metastases