Table 1 WHO classification of exocrine pancreatic tumours
From: The surgeon’s view
Benign tumours | ||
Serous cystadenoma | ||
Mucinous cystadenoma | ||
Intraductal papillary-mucinous adenoma | ||
Mature teratoma | ||
Borderline tumours (uncertain malignant potential) | ||
Mucinous cystic tumour with moderate dysplasia | ||
Intraductal papillary-mucinous tumour with moderate dysplasia | ||
Solid-pseudopapillary tumour | ||
Malignant | ||
Severe ductal dysplasia — carcinoma in situ | ||
Ductal adenocarcinoma | ||
Mucinous non-cystic carcinoma | ||
Signet ring carcinoma | ||
Adenosquamous carcinoma | ||
Undifferentiated (anaplastic) carcinoma | ||
Mixed ductal-endocrine carcinoma | ||
Osteoclast-like giant cell tumour | ||
Serous cystadenocarcinoma | ||
Mucinous cystadenocarcinoma | ||
Noninvasive | ||
Invasive | ||
Intraductal papillary-mucinous carcinoma | ||
Noninvasive | ||
Invasive (papillary-mucinous carcinoma) | ||
Acinar cell carcinoma | ||
Acinar cell cystadenocarcinoma | ||
Mixed acinar-endocrine carcinoma | ||
Pancreatoblastoma | ||
Solid-pseudopapillary carcinoma | ||
Miscellaneous carcinomas | ||