Difference between revisions of "Neuroendocrine neoplasms"

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===Stomach===
===Stomach===
Divided into four types:
Divided into four types:<ref>URL: [http://www.cap.org/apps/docs/committees/cancer/cancer_protocols/2011/StomachNET_11protocol.pdf http://www.cap.org/apps/docs/committees/cancer/cancer_protocols/2011/StomachNET_11protocol.pdf]. Accessed on: 29 March 2012.</ref>
*Type I.  
*Type I.  
**Chronic atrophic gastritis - usually autoimmune gastritis.
**Chronic atrophic gastritis - usually autoimmune gastritis.
**Hypochlorhydia.
**Hypochlorhydia.
**Good prognosis.
*Type II.
*Type II.
**[[Zollinger-Ellison syndrome]] - usually [[MEN 1]].
**[[Zollinger-Ellison syndrome]].
***Often [[MEN 1]] - may be multifocal.
**Hyperchlorhydia, pancreatic ''or'' duodenal NET secreting gastrin (gastrinoma).
**Hyperchlorhydia, pancreatic ''or'' duodenal NET secreting gastrin (gastrinoma).
**Rare.
**Poor prognosis.
*Type III.
*Type III.
**Usually solitary.
**Sporadic.
**Normal gastrin.
**Normal gastrin.
**Aggressive.
**Aggressive behaviour if > 2.0 cm.
**Usu. solitary.
*Type IV.
*Type IV.
**Elevated gastrin due to parietal cell dysfunction.
**Elevated gastrin due to parietal cell dysfunction.
**Extremely rare.  
**Extremely rare.
**Usually metastases at time of diagnosis.


===Pancreatic===
===Pancreatic===
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