49,006
edits
Difference between revisions of "Interval appendectomy"
Jump to navigation
Jump to search
m
Interval appendectomy (view source)
Revision as of 17:45, 20 December 2023
, 17:45, 20 December 2023sm tweak
m (sm tweak) |
|||
| (7 intermediate revisions by the same user not shown) | |||
| Line 2: | Line 2: | ||
==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> | |||
==Microscopic== | ==Microscopic== | ||
Features: | Features:<ref name=pmid35076982/> | ||
*Muscularis propria eosinophils and/or plasma | *Muscularis propria eosinophils and/or [[plasma cell]]s. | ||
*+/-Muscularis propria | *+/-Fibrosis. | ||
*+/-Neutrophils in muscularis propria. | |||
*+/-Muscularis propria [[neutrophil]]s. | |||
*+/-Granulatous or xanthogranulomatous inflammation. | |||
DDx: | DDx: | ||
*[[Negative appendectomy]] - specimen should be [[submitted in toto]], no lymphoid hyperplasia, history is essential. | *[[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. | |||
*[[Adenovirus appendicitis]] - lymphoid hyperplasia. | *[[Adenovirus appendicitis]] - lymphoid hyperplasia. | ||
*[[Mucinous_tumours_of_the_appendix|Mucinous tumour]] - | *[[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== | ||
<pre> | <pre> | ||
Vermiform Appendix, Appendectomy: | Vermiform Appendix, Appendectomy: | ||
- Benign appendix with | - Benign appendix with mixed muscularis inflammation (plasma cells, eosinophils) and fibrosis, see comment. | ||
- NEGATIVE for acute appendicitis. | |||
Comment: | Comment: | ||
The operative report describes an interval appendectomy; the | The operative report describes an interval appendectomy; the findings would be compatible with that. | ||
</pre> | </pre> | ||
| Line 31: | Line 38: | ||
==References== | ==References== | ||
{{Reflist| | {{Reflist|2}} | ||
[[Category:Gastrointestinal pathology]] | [[Category:Gastrointestinal pathology]] | ||