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WHO Classification of Tumours
Pancreatic neuroendocrine microadenoma


A benign endocrine neoplasm of the pancreas. It is separated from the normal pancreatic tissues by a thin collagenous capsule and may secrete a hormone (e.g. insulin, gastrin) or it may be non-functional.
Nonfunctional (nonsyndromic) pancreatic NETs measuring < 0.5 cm are termed pancreatic neuroendocrine microadenomas

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Bosman FT, Carneiro F, Hruban RH, Theise ND (Eds.)
WHO Classification of Tumours of the Digestive System.
4th Edition
International Agency for Research on Cancer: Lyon 2010


Commentary: Neuroendocrine tumours of the digestive system