Revision 2 for 'Pancreatic mesenchymal neoplasms'

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Pancreatic nonepithelial neoplasms

Pancreatic nonepithelial neoplasms (which include pancreatic mesenchymal neoplasms) are a group of rare pancreatic neoplasms that arise from the structural elements of the pancreas (nerves, fat, lymph), rather than from the exocrine or endocrine cells of the pancreas. Neoplasms from exocrine and endocrine cells (derived from endoderm) result in more familiar pancreatic neoplasms such as pancreatic ductal adenocarcinoma, IPMN, and pancreatic endocrine tumors (formerly termed "islet cell tumors").


Pancreatic non epithelial neoplasms are rare and represent at most 1-2% of pancreatic neoplasms.


Pancreatic nonepithelial tumors include


Radiographic features

A disparate group of tumors, they have different imaging appearances, based on their underlying histology. As a group, these neoplasms tend to better-marginated than the more infiltrative pancreatic ductal adenocarcinoma 1.

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