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Difference between revisions of "Negative appendectomy"
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A '''negative appendectomy''' is an appendectomy done for presumed [[acute appendicitis]] that is pathologically within normal limits. | |||
==General== | |||
*Common. | |||
*Use for quality control among general surgeons.{{fact}} | |||
==Gross== | |||
See ''[[normal vermiform appendix]]''. | |||
==Microscopic== | |||
See ''[[normal vermiform appendix]]''. | |||
Notes: | |||
*Should be ''[[submitted in total]]''. | |||
DDx: | |||
*[[Acute appendicitis]]. | |||
*[[Adenovirus appendicitis]]. | |||
*[[Appendiceal neuroendocrine tumour]]. | |||
*Non-appendiceal pathology - see DDx of ''[[acute appendicitis]]. | |||
**Isolated [[periappendicitis]]. | |||
*[[Crypt cell carcinoma]] - [[AKA]] ''goblet cell carcinoid''. | |||
==Sign out== | |||
<pre> | |||
Vermiform Appendix, Appendectomy: | |||
- Appendix within normal limits. | |||
- One benign lymph node. | |||
- NEGATIVE for acute appendicitis and NEGATIVE for periappendicitis. | |||
Comment: | |||
The specimen was submitted in total. | |||
</pre> | |||
====Block letters==== | |||
<pre> | |||
VERMIFORM APPENDIX, APPENDECTOMY: | |||
- APPENDIX NEGATIVE FOR ACUTE APPENDICITIS AND NEGATIVE FOR ACUTE PERIAPPENDICITIS. | |||
</pre> | |||
<pre> | |||
VERMIFORM APPENDIX, APPENDECTOMY: | |||
- APPENDIX WITH LYMPHOID HYPERPLASIA AND FOCAL MUCOSAL EROSIONS. | |||
- NEGATIVE FOR ACUTE APPENDICITIS. | |||
- NEGATIVE FOR ACUTE PERIAPPENDICITIS. | |||
</pre> | |||
===Micro=== | |||
The sections show appendiceal wall with focal mucosa erosions and several intraluminal | |||
neutrophil clusters. Lymphoid hyperplasia is present. Fecal material is present within | |||
the lumen of the appendix. | |||
There are no neutrophils within the muscularis propria. There is no serositis. There is | |||
no distortion of the crypt architecture. No granulomas are identified. No cryptitis is | |||
identified. | |||
====Alternate==== | |||
The section show appendiceal wall without increased numbers of neutrophils. The | |||
appendiceal lumen has cellular debris and inflammatory cells. The mucosa has prominent lymphoid tissue | |||
with germinal centre formation. | |||
No intraluminal pathologic micro-organisms are seen. There is no serositis. There is no | |||
distortion of the crypt architecture. No granulomas are identified. No cryptitis | |||
is identified. | |||
==See also== | |||
*[[Normal appendix]]. | |||
==References== | |||
{{Reflist|1}} | |||
[[Category:Gastrointestinal pathology]] | |||
[[Category:Diangosis]] | |||