Difference between revisions of "Duodenum"

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==Neuroendocrine tumours==
==Neuroendocrine tumours==
General:
===General===
*Like neuroendocrine tumours elsewhere.
*Like neuroendocrine tumours elsewhere.
*Use of the term ''carcinoid'' is discouraged.<ref>Can J Gastroenterol. 2008 Apr;22(4):357-8. PMID 18414708.</ref><ref>Ann N Y Acad Sci. 2004 Apr;1014:13-27. PMID 15153416.</ref><ref>Pathologe. 2003 Jul;24(4):287-96. PMID 18414708.</ref>
*Use of the term ''carcinoid'' is discouraged.<ref>Can J Gastroenterol. 2008 Apr;22(4):357-8. PMID 18414708.</ref><ref>Ann N Y Acad Sci. 2004 Apr;1014:13-27. PMID 15153416.</ref><ref>Pathologe. 2003 Jul;24(4):287-96. PMID 18414708.</ref>


Microscopic:
===Microscopic===
Features:
*Nests of cells.
*Nests of cells.
*Stippled chromatin - AKA: salt-and-pepper chromatin, coarse chromatin.
*Stippled chromatin - AKA: salt-and-pepper chromatin, coarse chromatin.
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*[http://commons.wikimedia.org/wiki/File:Small_intestine_neuroendocrine_tumour_low_mag.jpg Neuroendocrine tumour - low mag. (WC)].
*[http://commons.wikimedia.org/wiki/File:Small_intestine_neuroendocrine_tumour_low_mag.jpg Neuroendocrine tumour - low mag. (WC)].
*[http://commons.wikimedia.org/wiki/File:Small_intestine_neuroendocrine_tumour_intermed_mag.jpg Neuroendocrine tumour - intermed. mag. (WC)].
*[http://commons.wikimedia.org/wiki/File:Small_intestine_neuroendocrine_tumour_intermed_mag.jpg Neuroendocrine tumour - intermed. mag. (WC)].
*[http://commons.wikimedia.org/wiki/File:Small_intestine_neuroendocrine_tumour_high_mag.jpg Neuroendocrine tumour - high mag. (WC)].]
*[http://commons.wikimedia.org/wiki/File:Small_intestine_neuroendocrine_tumour_high_mag.jpg Neuroendocrine tumour - high mag. (WC)].


==Ampullary tumours==
==Ampullary tumours==