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Difference between revisions of "Neuroendocrine neoplasms"
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{{Main|Duodenum#Neuroendocrine_tumours}} | {{Main|Duodenum#Neuroendocrine_tumours}} | ||
===WHO classification=== | ===WHO classification for digestive NET=== | ||
Subtypes:<ref name=pmid21601112>{{Cite journal | last1 = Scoazec | first1 = JY. | last2 = Couvelard | first2 = A. | title = [The new WHO classification of digestive neuroendocrine tumors]. | journal = Ann Pathol | volume = 31 | issue = 2 | pages = 88-92 | month = Apr | year = 2011 | doi = 10.1016/j.annpat.2011.01.001 | PMID = 21601112 }}</ref> | Subtypes:<ref name=pmid21601112>{{Cite journal | last1 = Scoazec | first1 = JY. | last2 = Couvelard | first2 = A. | title = [The new WHO classification of digestive neuroendocrine tumors]. | journal = Ann Pathol | volume = 31 | issue = 2 | pages = 88-92 | month = Apr | year = 2011 | doi = 10.1016/j.annpat.2011.01.001 | PMID = 21601112 }}</ref> | ||
#Neuroendocrine tumour G1. | #Neuroendocrine tumour G1. | ||
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Notes: | Notes: | ||
*Neuroendocrine carcinomas are G3 by definition. | *Neuroendocrine carcinomas are G3 by definition. | ||
===Stomach=== | |||
Divided into four types: | |||
*Type I. | |||
**Chronic atrophic gastritis - usually autoimmune gastritis. | |||
**Hypochlorhydia. | |||
*Type II. | |||
**[[Zollinger-Ellison syndrome]] - usually [[MEN 1]]. | |||
**Hyperchlorhydia, pancreatic ''or'' duodenal NET secreting gastrin (gastrinoma). | |||
*Type III. | |||
**Normal gastrin. | |||
**Aggressive. | |||
**Usu. solitary. | |||
*Type IV. | |||
**Elevated gastrin due to parietal cell dysfunction. | |||
**Extremely rare. | |||
===Pancreatic=== | ===Pancreatic=== | ||