Duodenum - Revision history

Michael: +SO

2024-06-14T14:28:51Z

+SO

← Older revision		Revision as of 14:28, 14 June 2024
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	*Overall, Helicobacter is rare in the duodenum.		*Overall, Helicobacter is rare in the duodenum.
	**Infection associated with [[Gastric heterotopia of the duodenum\|gastric metaplasia]].<ref name=pmid7769188>{{cite journal \|authors=Yang H, Dixon MF, Zuo J, Fong F, Zhou D, Corthésy I, Blum A \|title=Helicobacter pylori infection and gastric metaplasia in the duodenum in China \|journal=J Clin Gastroenterol \|volume=20 \|issue=2 \|pages=110–2 \|date=March 1995 \|pmid=7769188 \|doi=10.1097/00004836-199503000-00007 \|url=}}</ref>		**Infection associated with [[Gastric heterotopia of the duodenum\|gastric metaplasia]].<ref name=pmid7769188>{{cite journal \|authors=Yang H, Dixon MF, Zuo J, Fong F, Zhou D, Corthésy I, Blum A \|title=Helicobacter pylori infection and gastric metaplasia in the duodenum in China \|journal=J Clin Gastroenterol \|volume=20 \|issue=2 \|pages=110–2 \|date=March 1995 \|pmid=7769188 \|doi=10.1097/00004836-199503000-00007 \|url=}}</ref>

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			<pre>
			A. Duodenum, Biopsy:
			- Active duodenitis associated with foveolar epithelium and HELICOBACTER-LIKE ORGANISMS.
			- NEGATIVE for dysplasia.
			</pre>

	=Weird stuff=		=Weird stuff=

Michael at 18:51, 5 February 2024

2024-02-05T18:51:22Z

← Older revision		Revision as of 18:51, 5 February 2024
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	*Helicobacter is the most common cause of duodenitis.<ref>URL: [https://www.saintlukeskc.org/health-library/duodenitis https://www.saintlukeskc.org/health-library/duodenitis]. Accessed on: 2024 Feb 5.</ref><ref>URL: [https://www.webmd.com/digestive-disorders/what-is-duodenitis https://www.webmd.com/digestive-disorders/what-is-duodenitis]. Accessed on: 2024 Feb 5.</ref>		*Helicobacter is the most common cause of duodenitis.<ref>URL: [https://www.saintlukeskc.org/health-library/duodenitis https://www.saintlukeskc.org/health-library/duodenitis]. Accessed on: 2024 Feb 5.</ref><ref>URL: [https://www.webmd.com/digestive-disorders/what-is-duodenitis https://www.webmd.com/digestive-disorders/what-is-duodenitis]. Accessed on: 2024 Feb 5.</ref>
	*Overall, Helicobacter is rare in the duodenum.		*Overall, Helicobacter is rare in the duodenum.
	**Infection associated with gastric metaplasia.<ref name=pmid7769188>{{cite journal \|authors=Yang H, Dixon MF, Zuo J, Fong F, Zhou D, Corthésy I, Blum A \|title=Helicobacter pylori infection and gastric metaplasia in the duodenum in China \|journal=J Clin Gastroenterol \|volume=20 \|issue=2 \|pages=110–2 \|date=March 1995 \|pmid=7769188 \|doi=10.1097/00004836-199503000-00007 \|url=}}</ref>		**Infection associated with [[Gastric heterotopia of the duodenum\|gastric metaplasia]].<ref name=pmid7769188>{{cite journal \|authors=Yang H, Dixon MF, Zuo J, Fong F, Zhou D, Corthésy I, Blum A \|title=Helicobacter pylori infection and gastric metaplasia in the duodenum in China \|journal=J Clin Gastroenterol \|volume=20 \|issue=2 \|pages=110–2 \|date=March 1995 \|pmid=7769188 \|doi=10.1097/00004836-199503000-00007 \|url=}}</ref>

	=Weird stuff=		=Weird stuff=

Michael at 18:50, 5 February 2024

2024-02-05T18:50:34Z

← Older revision		Revision as of 18:50, 5 February 2024
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	**Too much blue and epithelium in the wrong place.		**Too much blue and epithelium in the wrong place.
	====More====		====More====
	*H. pylori only in areas of [[Gastric heterotopia of the duodenum\|gastric metaplasia]].<ref>El-Zimaity. 18 October 2010.</ref>		*[[Helicobacter duodenitis\|H. pylori]] only in areas of [[Gastric heterotopia of the duodenum\|gastric metaplasia]].<ref>El-Zimaity. 18 October 2010.</ref>

	===Duodenal nodules DDX===		===Duodenal nodules DDX===

Michael at 18:48, 5 February 2024

2024-02-05T18:48:54Z

← Older revision		Revision as of 18:48, 5 February 2024
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	**Too much blue and epithelium in the wrong place.		**Too much blue and epithelium in the wrong place.
	====More====		====More====
	*H. pylori only in areas of gastric metaplasia.<ref>El-Zimaity. 18 October 2010.</ref>		*H. pylori only in areas of [[Gastric heterotopia of the duodenum\|gastric metaplasia]].<ref>El-Zimaity. 18 October 2010.</ref>

	===Duodenal nodules DDX===		===Duodenal nodules DDX===

Michael: create

2024-02-05T18:41:14Z

create

← Older revision		Revision as of 18:41, 5 February 2024
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	The epithelium matures appropriately. There is no increase in intraepithelial lymphocytes. No foveolar metaplasia of the epithelium is identified.		The epithelium matures appropriately. There is no increase in intraepithelial lymphocytes. No foveolar metaplasia of the epithelium is identified.

	~~=Weird stuff=~~
	==Helicobacter duodenitis==		==Helicobacter duodenitis==
	*Helicobacter is rare in the duodenum.		*Helicobacter is the most common cause of duodenitis.<ref>URL: [https://www.saintlukeskc.org/health-library/duodenitis https://www.saintlukeskc.org/health-library/duodenitis]. Accessed on: 2024 Feb 5.</ref><ref>URL: [https://www.webmd.com/digestive-disorders/what-is-duodenitis https://www.webmd.com/digestive-disorders/what-is-duodenitis]. Accessed on: 2024 Feb 5.</ref>
	**Infection associated with gastric metaplasia.<ref>{{cite journal \|authors=Yang H, Dixon MF, Zuo J, Fong F, Zhou D, Corthésy I, Blum A \|title=Helicobacter pylori infection and gastric metaplasia in the duodenum in China \|journal=J Clin Gastroenterol \|volume=20 \|issue=2 \|pages=110–2 \|date=March 1995 \|pmid=7769188 \|doi=10.1097/00004836-199503000-00007 \|url=}}</ref>		*Overall, Helicobacter is rare in the duodenum.
			**Infection associated with gastric metaplasia.<ref name=pmid7769188>{{cite journal \|authors=Yang H, Dixon MF, Zuo J, Fong F, Zhou D, Corthésy I, Blum A \|title=Helicobacter pylori infection and gastric metaplasia in the duodenum in China \|journal=J Clin Gastroenterol \|volume=20 \|issue=2 \|pages=110–2 \|date=March 1995 \|pmid=7769188 \|doi=10.1097/00004836-199503000-00007 \|url=}}</ref>

			=Weird stuff=
	==Disaccharidases deficiency==		==Disaccharidases deficiency==
	===General===		===General===

Michael at 18:34, 5 February 2024

2024-02-05T18:34:27Z

← Older revision		Revision as of 18:34, 5 February 2024
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	=Weird stuff=		=Weird stuff=
			==Helicobacter duodenitis==
			*Helicobacter is rare in the duodenum.
			**Infection associated with gastric metaplasia.<ref>{{cite journal \|authors=Yang H, Dixon MF, Zuo J, Fong F, Zhou D, Corthésy I, Blum A \|title=Helicobacter pylori infection and gastric metaplasia in the duodenum in China \|journal=J Clin Gastroenterol \|volume=20 \|issue=2 \|pages=110–2 \|date=March 1995 \|pmid=7769188 \|doi=10.1097/00004836-199503000-00007 \|url=}}</ref>

	==Disaccharidases deficiency==		==Disaccharidases deficiency==
	===General===		===General===

Michael: /* Traditional adenoma */ +SO

2019-02-14T22:27:01Z

Traditional adenoma: +SO

← Older revision		Revision as of 22:27, 14 February 2019
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	*Commonly found in association foveolar metaplasia - especially in sporadic cases ~60% of cases.		*Commonly found in association foveolar metaplasia - especially in sporadic cases ~60% of cases.
	**In FAP ~30% of cases have foveolar metaplasia.<ref name=pmid16837629>{{Cite journal \| last1 = Rubio \| first1 = CA. \| title = Gastric duodenal metaplasia in duodenal adenomas. \| journal = J Clin Pathol \| volume = 60 \| issue = 6 \| pages = 661-3 \| month = Jun \| year = 2007 \| doi = 10.1136/jcp.2006.039388 \| PMID = 16837629 \| PMC = 1955048}}</ref>		**In FAP ~30% of cases have foveolar metaplasia.<ref name=pmid16837629>{{Cite journal \| last1 = Rubio \| first1 = CA. \| title = Gastric duodenal metaplasia in duodenal adenomas. \| journal = J Clin Pathol \| volume = 60 \| issue = 6 \| pages = 661-3 \| month = Jun \| year = 2007 \| doi = 10.1136/jcp.2006.039388 \| PMID = 16837629 \| PMC = 1955048}}</ref>
	*A colonscopy is recommended in individuals with ~~non-ampullary~~ duodenal adenomas, as they are likely at increased risk of large bowel adenomas.<ref name=pmid26811631>{{Cite journal \| last1 = Lim \| first1 = CH. \| last2 = Cho \| first2 = YS. \| title = Nonampullary duodenal adenoma: Current understanding of its diagnosis, pathogenesis, and clinical management. \| journal = World J Gastroenterol \| volume = 22 \| issue = 2 \| pages = 853-61 \| month = Jan \| year = 2016 \| doi = 10.3748/wjg.v22.i2.853 \| PMID = 26811631 }}</ref>		*A colonscopy is recommended in individuals with nonampullary duodenal adenomas, as they are likely at increased risk of large bowel adenomas.<ref name=pmid26811631>{{Cite journal \| last1 = Lim \| first1 = CH. \| last2 = Cho \| first2 = YS. \| title = Nonampullary duodenal adenoma: Current understanding of its diagnosis, pathogenesis, and clinical management. \| journal = World J Gastroenterol \| volume = 22 \| issue = 2 \| pages = 853-61 \| month = Jan \| year = 2016 \| doi = 10.3748/wjg.v22.i2.853 \| PMID = 26811631 }}</ref>

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	- TUBULAR ADENOMA.		- TUBULAR ADENOMA.
	-- NEGATIVE FOR HIGH-GRADE DYSPLASIA.		-- NEGATIVE FOR HIGH-GRADE DYSPLASIA.
			</pre>

			====Alternate====
			<pre>
			Polyp (Nonampullary), Duodenum, Polypectomy:
			- Tubular adenoma, NEGATIVE for high-grade dysplasia.

			Comment:
			A colonscopy is recommended if not done recently, as individual with nonampullary duodenal adenomas are likely at increased risk of large bowel adenomas.[1]

			1. Therap Adv Gastroenterol. 2012 Mar; 5(2): 127138. doi: 10.1177/1756283X11429590
	</pre>		</pre>

Michael: /* General */

2019-02-14T22:25:06Z

General

← Older revision		Revision as of 22:25, 14 February 2019
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	*Commonly found in association foveolar metaplasia - especially in sporadic cases ~60% of cases.		*Commonly found in association foveolar metaplasia - especially in sporadic cases ~60% of cases.
	**In FAP ~30% of cases have foveolar metaplasia.<ref name=pmid16837629>{{Cite journal \| last1 = Rubio \| first1 = CA. \| title = Gastric duodenal metaplasia in duodenal adenomas. \| journal = J Clin Pathol \| volume = 60 \| issue = 6 \| pages = 661-3 \| month = Jun \| year = 2007 \| doi = 10.1136/jcp.2006.039388 \| PMID = 16837629 \| PMC = 1955048}}</ref>		**In FAP ~30% of cases have foveolar metaplasia.<ref name=pmid16837629>{{Cite journal \| last1 = Rubio \| first1 = CA. \| title = Gastric duodenal metaplasia in duodenal adenomas. \| journal = J Clin Pathol \| volume = 60 \| issue = 6 \| pages = 661-3 \| month = Jun \| year = 2007 \| doi = 10.1136/jcp.2006.039388 \| PMID = 16837629 \| PMC = 1955048}}</ref>
			*A colonscopy is recommended in individuals with non-ampullary duodenal adenomas, as they are likely at increased risk of large bowel adenomas.<ref name=pmid26811631>{{Cite journal \| last1 = Lim \| first1 = CH. \| last2 = Cho \| first2 = YS. \| title = Nonampullary duodenal adenoma: Current understanding of its diagnosis, pathogenesis, and clinical management. \| journal = World J Gastroenterol \| volume = 22 \| issue = 2 \| pages = 853-61 \| month = Jan \| year = 2016 \| doi = 10.3748/wjg.v22.i2.853 \| PMID = 26811631 }}</ref>

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Michael: /* Sign out */

2017-02-28T17:31:53Z

Sign out

← Older revision		Revision as of 17:31, 28 February 2017
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	</gallery>		</gallery>

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	<pre>		<pre>
	Duodenum, Biopsy:		Duodenum, Biopsy:

Michael: /* Duodenal neuroendocrine tumour */

2017-02-28T17:30:27Z

Duodenal neuroendocrine tumour

← Older revision		Revision as of 17:30, 28 February 2017
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	Image:Small_intestine_neuroendocrine_tumour_high_mag.jpg \| Neuroendocrine tumour - high mag. (WC)		Image:Small_intestine_neuroendocrine_tumour_high_mag.jpg \| Neuroendocrine tumour - high mag. (WC)
	</gallery>		</gallery>

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			<pre>
			Duodenum, Biopsy:
			- Incidental neuroendocrine tumour, grade 1, see comment.
			- Background small bowel mucosa with Brunner's glands within normal limits.

			Comment:
			The tumour stains as follows:
			POSITIVE: AE1/AE3, CD56, synaptophysin.
			NEGATIVE: S-100, CD68.
			PROLIFERATION (Ki-67): <2%.
			</pre>

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