Interval appendectomy - Revision history

Michael: sm tweak

2023-12-20T17:45:56Z

sm tweak

← Older revision		Revision as of 17:45, 20 December 2023
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	==General==		==General==
	*Done to exclude neoplasm and recurrent appendicitis.<ref name=pmid31175422>{{cite journal \|authors=de Jonge J, Bolmers MDM, Musters GD, van Rossem CC, Bemelman WA, van Geloven AAW \|title=Predictors for interval appendectomy in non-operatively treated complicated appendicitis \|journal=Int J Colorectal Dis \|volume=34 \|issue=7 \|pages=1325–1332 \|date=July 2019 \|pmid=31175422 \|doi=10.1007/s00384-019-03303-4 \|url=}}</ref>		*Done to exclude neoplasm and prevent recurrent appendicitis.<ref name=pmid31175422>{{cite journal \|authors=de Jonge J, Bolmers MDM, Musters GD, van Rossem CC, Bemelman WA, van Geloven AAW \|title=Predictors for interval appendectomy in non-operatively treated complicated appendicitis \|journal=Int J Colorectal Dis \|volume=34 \|issue=7 \|pages=1325–1332 \|date=July 2019 \|pmid=31175422 \|doi=10.1007/s00384-019-03303-4 \|url=}}</ref>
	*Histologically may mimic Crohn's disease.<ref name=pmid12883248>{{cite journal \|authors=Guo G, Greenson JK \|title=Histopathology of interval (delayed) appendectomy specimens: strong association with granulomatous and xanthogranulomatous appendicitis \|journal=Am J Surg Pathol \|volume=27 \|issue=8 \|pages=1147–51 \|date=August 2003 \|pmid=12883248 \|doi=10.1097/00000478-200308000-00013 \|url=}}</ref><ref name=pmid35076982>{{cite journal \|authors=Malvar G, Peric M, Gonzalez RS \|title=Interval appendicitis shows histological differences from acute appendicitis and may mimic Crohn disease and other forms of granulomatous appendicitis \|journal=Histopathology \|volume=80 \|issue=6 \|pages=965–973 \|date=May 2022 \|pmid=35076982 \|doi=10.1111/his.14621 \|url=}}</ref>		*Histologically may mimic Crohn's disease.<ref name=pmid12883248>{{cite journal \|authors=Guo G, Greenson JK \|title=Histopathology of interval (delayed) appendectomy specimens: strong association with granulomatous and xanthogranulomatous appendicitis \|journal=Am J Surg Pathol \|volume=27 \|issue=8 \|pages=1147–51 \|date=August 2003 \|pmid=12883248 \|doi=10.1097/00000478-200308000-00013 \|url=}}</ref><ref name=pmid35076982>{{cite journal \|authors=Malvar G, Peric M, Gonzalez RS \|title=Interval appendicitis shows histological differences from acute appendicitis and may mimic Crohn disease and other forms of granulomatous appendicitis \|journal=Histopathology \|volume=80 \|issue=6 \|pages=965–973 \|date=May 2022 \|pmid=35076982 \|doi=10.1111/his.14621 \|url=}}</ref>

Michael at 16:06, 30 November 2023

2023-11-30T16:06:41Z

← Older revision		Revision as of 16:06, 30 November 2023
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	Comment:		Comment:
	The operative report describes an interval appendectomy; the ~~finds~~ would be compatible with that.		The operative report describes an interval appendectomy; the findings would be compatible with that.
	</pre>		</pre>

Michael at 16:05, 30 November 2023

2023-11-30T16:05:46Z

← Older revision		Revision as of 16:05, 30 November 2023
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	<pre>		<pre>
	Vermiform Appendix, Appendectomy:		Vermiform Appendix, Appendectomy:
	- Benign appendix with ~~mild~~ mixed muscularis inflammation (plasma cells, eosinophils), see comment.		- Benign appendix with mixed muscularis inflammation (plasma cells, eosinophils) and fibrosis, see comment.
	- NEGATIVE for acute appendicitis.		- NEGATIVE for acute appendicitis.

Michael at 16:01, 30 November 2023

2023-11-30T16:01:46Z

← Older revision		Revision as of 16:01, 30 November 2023
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	Vermiform Appendix, Appendectomy:		Vermiform Appendix, Appendectomy:
	- Benign appendix with mild mixed muscularis inflammation (plasma cells, eosinophils), see comment.		- Benign appendix with mild mixed muscularis inflammation (plasma cells, eosinophils), see comment.
	- NEGATIVE for acute appendicitis.		- NEGATIVE for acute appendicitis.

	Comment:		Comment:

Michael at 16:01, 30 November 2023

2023-11-30T16:01:14Z

← Older revision		Revision as of 16:01, 30 November 2023
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	DDx:		DDx:
			*[[Acute appendicitis]] - history is essential to differentiate.
			**An interval appendectomy may have active inflammation.<ref name=pmid35076982/>
	*[[Negative appendectomy]] - specimen should be [[submitted in toto]], no lymphoid hyperplasia, no chronic inflammation, history is essential.		*[[Negative appendectomy]] - specimen should be [[submitted in toto]], no lymphoid hyperplasia, no chronic inflammation, history is essential.
	*[[Adenovirus appendicitis]] - lymphoid hyperplasia.		*[[Adenovirus appendicitis]] - lymphoid hyperplasia.

Michael at 15:59, 30 November 2023

2023-11-30T15:59:45Z

← Older revision		Revision as of 15:59, 30 November 2023
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	==General==		==General==
	*Done to exclude neoplasm and recurrent appendicitis.<ref name=pmid31175422>{{cite journal \|authors=de Jonge J, Bolmers MDM, Musters GD, van Rossem CC, Bemelman WA, van Geloven AAW \|title=Predictors for interval appendectomy in non-operatively treated complicated appendicitis \|journal=Int J Colorectal Dis \|volume=34 \|issue=7 \|pages=1325–1332 \|date=July 2019 \|pmid=31175422 \|doi=10.1007/s00384-019-03303-4 \|url=}}</ref>		*Done to exclude neoplasm and recurrent appendicitis.<ref name=pmid31175422>{{cite journal \|authors=de Jonge J, Bolmers MDM, Musters GD, van Rossem CC, Bemelman WA, van Geloven AAW \|title=Predictors for interval appendectomy in non-operatively treated complicated appendicitis \|journal=Int J Colorectal Dis \|volume=34 \|issue=7 \|pages=1325–1332 \|date=July 2019 \|pmid=31175422 \|doi=10.1007/s00384-019-03303-4 \|url=}}</ref>
	*Histologically may mimic Crohn's disease.<ref name=pmid12883248>{{cite journal \|authors=Guo G, Greenson JK \|title=Histopathology of interval (delayed) appendectomy specimens: strong association with granulomatous and xanthogranulomatous appendicitis \|journal=Am J Surg Pathol \|volume=27 \|issue=8 \|pages=1147–51 \|date=August 2003 \|pmid=12883248 \|doi=10.1097/00000478-200308000-00013 \|url=}}</ref>		*Histologically may mimic Crohn's disease.<ref name=pmid12883248>{{cite journal \|authors=Guo G, Greenson JK \|title=Histopathology of interval (delayed) appendectomy specimens: strong association with granulomatous and xanthogranulomatous appendicitis \|journal=Am J Surg Pathol \|volume=27 \|issue=8 \|pages=1147–51 \|date=August 2003 \|pmid=12883248 \|doi=10.1097/00000478-200308000-00013 \|url=}}</ref><ref name=pmid35076982>{{cite journal \|authors=Malvar G, Peric M, Gonzalez RS \|title=Interval appendicitis shows histological differences from acute appendicitis and may mimic Crohn disease and other forms of granulomatous appendicitis \|journal=Histopathology \|volume=80 \|issue=6 \|pages=965–973 \|date=May 2022 \|pmid=35076982 \|doi=10.1111/his.14621 \|url=}}</ref>

	==Microscopic==		==Microscopic==
	Features:		Features:<ref name=pmid35076982/>
	*Muscularis propria eosinophils and/or [[plasma cell]]s.		*Muscularis propria eosinophils and/or [[plasma cell]]s.
			*+/-Fibrosis.
			*+/-Neutrophils in muscularis propria.
	*+/-Muscularis propria [[neutrophil]]s.		*+/-Muscularis propria [[neutrophil]]s.
	*+/-Granulatous inflammation.		*+/-Granulatous or xanthogranulomatous inflammation.

	DDx:		DDx:
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	<pre>		<pre>
	Vermiform Appendix, Appendectomy:		Vermiform Appendix, Appendectomy:
	- Benign appendix with mild mixed muscularis inflammation (plasma cells, eosinophils~~, possible rare neutrophils~~), see comment.		- Benign appendix with mild mixed muscularis inflammation (plasma cells, eosinophils), see comment.
			- NEGATIVE for acute appendicitis.

	Comment:		Comment:
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	==References==		==References==
	{{Reflist\|1}}		{{Reflist\|2}}

	[[Category:Gastrointestinal pathology]]		[[Category:Gastrointestinal pathology]]

Michael at 15:52, 30 November 2023

2023-11-30T15:52:28Z

← Older revision		Revision as of 15:52, 30 November 2023
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	==General==		==General==
	*Done to exclude neoplasm and recurrent appendicitis.<ref name=pmid31175422>{{cite journal \|authors=de Jonge J, Bolmers MDM, Musters GD, van Rossem CC, Bemelman WA, van Geloven AAW \|title=Predictors for interval appendectomy in non-operatively treated complicated appendicitis \|journal=Int J Colorectal Dis \|volume=34 \|issue=7 \|pages=1325–1332 \|date=July 2019 \|pmid=31175422 \|doi=10.1007/s00384-019-03303-4 \|url=}}</ref>		*Done to exclude neoplasm and recurrent appendicitis.<ref name=pmid31175422>{{cite journal \|authors=de Jonge J, Bolmers MDM, Musters GD, van Rossem CC, Bemelman WA, van Geloven AAW \|title=Predictors for interval appendectomy in non-operatively treated complicated appendicitis \|journal=Int J Colorectal Dis \|volume=34 \|issue=7 \|pages=1325–1332 \|date=July 2019 \|pmid=31175422 \|doi=10.1007/s00384-019-03303-4 \|url=}}</ref>
			*Histologically may mimic Crohn's disease.<ref name=pmid12883248>{{cite journal \|authors=Guo G, Greenson JK \|title=Histopathology of interval (delayed) appendectomy specimens: strong association with granulomatous and xanthogranulomatous appendicitis \|journal=Am J Surg Pathol \|volume=27 \|issue=8 \|pages=1147–51 \|date=August 2003 \|pmid=12883248 \|doi=10.1097/00000478-200308000-00013 \|url=}}</ref>

	==Microscopic==		==Microscopic==
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	*Muscularis propria eosinophils and/or [[plasma cell]]s.		*Muscularis propria eosinophils and/or [[plasma cell]]s.
	*+/-Muscularis propria [[neutrophil]]s.		*+/-Muscularis propria [[neutrophil]]s.
			*+/-Granulatous inflammation.

	DDx:		DDx:
	*[[Negative appendectomy]] - specimen should be [[submitted in toto]], no lymphoid hyperplasia, history is essential.		*[[Negative appendectomy]] - specimen should be [[submitted in toto]], no lymphoid hyperplasia, no chronic inflammation, history is essential.
	*[[Adenovirus appendicitis]] - lymphoid hyperplasia.		*[[Adenovirus appendicitis]] - lymphoid hyperplasia.
	*[[Mucinous_tumours_of_the_appendix\|Mucinous tumour]] - ~~usu.~~ apparent on gross.		*[[Mucinous_tumours_of_the_appendix\|Mucinous tumour]] - usually apparent on gross.
	*[[Appendiceal neuroendocrine tumour]].		*[[Appendiceal neuroendocrine tumour]].
	*[[Granulomatous appendicitis]].		*[[Granulomatous appendicitis]].
	*[[Crohn's disease]] of the appendix.		*[[Crohn's disease]] of the appendix - history is essential.<ref name=pmid12883248>{{cite journal \|authors=Guo G, Greenson JK \|title=Histopathology of interval (delayed) appendectomy specimens: strong association with granulomatous and xanthogranulomatous appendicitis \|journal=Am J Surg Pathol \|volume=27 \|issue=8 \|pages=1147–51 \|date=August 2003 \|pmid=12883248 \|doi=10.1097/00000478-200308000-00013 \|url=}}</ref>

	==Sign out==		==Sign out==

Michael at 15:36, 30 November 2023

2023-11-30T15:36:45Z

← Older revision		Revision as of 15:36, 30 November 2023
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	==Microscopic==		==Microscopic==
	Features:		Features:
	*Muscularis propria eosinophils and/or plasma ~~cells~~.		*Muscularis propria eosinophils and/or [[plasma cell]]s.
	*+/-Muscularis propria ~~neutrophils~~.		*+/-Muscularis propria [[neutrophil]]s.

	DDx:		DDx:

Michael at 15:35, 30 November 2023

2023-11-30T15:35:15Z

← Older revision		Revision as of 15:35, 30 November 2023
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	'''Interval appendectomy''' is an appendectomy following the presentation of [[acute ~~appendicits~~]].<ref name=pmid22988397>{{cite journal \|authors=Quartey B \|title=Interval appendectomy in adults: A necessary evil? \|journal=J Emerg Trauma Shock \|volume=5 \|issue=3 \|pages=213–6 \|date=July 2012 \|pmid=22988397 \|pmc=3440885 \|doi=10.4103/0974-2700.99683 \|url=}}</ref>		'''Interval appendectomy''' is an appendectomy following the presentation of [[acute appendicitis]].<ref name=pmid22988397>{{cite journal \|authors=Quartey B \|title=Interval appendectomy in adults: A necessary evil? \|journal=J Emerg Trauma Shock \|volume=5 \|issue=3 \|pages=213–6 \|date=July 2012 \|pmid=22988397 \|pmc=3440885 \|doi=10.4103/0974-2700.99683 \|url=}}</ref>

			==General==
			*Done to exclude neoplasm and recurrent appendicitis.<ref name=pmid31175422>{{cite journal \|authors=de Jonge J, Bolmers MDM, Musters GD, van Rossem CC, Bemelman WA, van Geloven AAW \|title=Predictors for interval appendectomy in non-operatively treated complicated appendicitis \|journal=Int J Colorectal Dis \|volume=34 \|issue=7 \|pages=1325–1332 \|date=July 2019 \|pmid=31175422 \|doi=10.1007/s00384-019-03303-4 \|url=}}</ref>

	==Microscopic==		==Microscopic==
			Features:
			*Muscularis propria eosinophils and/or plasma cells.
			*+/-Muscularis propria neutrophils.

			DDx:
			*[[Negative appendectomy]] - specimen should be [[submitted in toto]], no lymphoid hyperplasia, history is essential.
			*[[Adenovirus appendicitis]] - lymphoid hyperplasia.
			*[[Mucinous_tumours_of_the_appendix\|Mucinous tumour]] - usu. apparent on gross.
			*[[Appendiceal neuroendocrine tumour]].
			*[[Granulomatous appendicitis]].
			*[[Crohn's disease]] of the appendix.

	==Sign out==		==Sign out==

Michael: create

2023-11-30T15:29:55Z

create

← Older revision		Revision as of 15:29, 30 November 2023
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	~~#redirect~~ [[Granulomatous appendicitis]]		'''Interval appendectomy''' is an appendectomy following the presentation of [[acute appendicits]].<ref name=pmid22988397>{{cite journal \|authors=Quartey B \|title=Interval appendectomy in adults: A necessary evil? \|journal=J Emerg Trauma Shock \|volume=5 \|issue=3 \|pages=213–6 \|date=July 2012 \|pmid=22988397 \|pmc=3440885 \|doi=10.4103/0974-2700.99683 \|url=}}</ref>


			==Microscopic==


			==Sign out==
			<pre>
			Vermiform Appendix, Appendectomy:
			- Benign appendix with mild mixed muscularis inflammation (plasma cells, eosinophils, possible rare neutrophils), see comment.

			Comment:
			The operative report describes an interval appendectomy; the finds would be compatible with that.
			</pre>

			==See also==
			*[[Granulomatous appendicitis]].
			*[[Negative appendectomy]].

			==References==
			{{Reflist\|1}}

			[[Category:Gastrointestinal pathology]]