Difference between revisions of "Cautery artifact"

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#redirect [[Cautery artefact]]
'''Cautery artifact''', also '''cautery/crush artefact''' and '''crush artefact''', may mimic disease.  It usually represents the [[surgical margin]].
 
==Microscopic==
Features:
*Elongated thin toothpick-like nuclei.
 
DDx:
*Dysplasia - [[adenomatous polyps]]
*[[Electrocution]].
===Images===
<gallery>
Image: Positive margin with cautery artefact - adenocarcinoma - low mag.jpg | [[Surgical margin]] with cautery - low mag. (WC/Nephron)
Image: Positive margin with cautery artefact - adenocarcinoma - intermed mag.jpg | [[Surgical margin]] with cautery - intermed. mag. (WC/Nephron)
Image: Positive margin with cautery artefact - adenocarcinoma - high mag.jpg | [[Surgical margin]] with cautery - high mag. (WC/Nephron)
</gallery>
www:
*[http://alf3.urz.unibas.ch/pathopic/e/getpic-fra.cfm?id=566 Cautery artefact (unibas.ch)].
 
==IHC==
*Ki-67 - absent/minimal staining.
**Stains [[adenomatous polyps]].<ref name=pmid17616996>{{Cite journal  | last1 = Groisman | first1 = GM. | last2 = Amar | first2 = M. | last3 = Meir | first3 = A. | title = Utility of MIB-1 (Ki-67) in evaluating diminutive colorectal polyps with cautery artifact. | journal = Arch Pathol Lab Med | volume = 131 | issue = 7 | pages = 1089-93 | month = Jul | year = 2007 | doi = 10.1043/1543-2165(2007)131[1089:UOMKIE]2.0.CO;2 | PMID = 17616996 }}</ref>
 
==Sign out==
<pre>
DESCENDING COLON, BIOPSY:
- COLONIC MUCOSA WITH EXTENSIVE CAUTERY/CRUSH ARTEFACT -- LIMITING INTERPRETATION.
- NO APPARENT DYSPLASIA.
</pre>
 
==See also==
*[[Basics]].
*[[Surgical margin]].
 
==References==
{{Reflist|1}}
 
[[Category:Basics]]

Revision as of 23:39, 5 July 2013

Cautery artifact, also cautery/crush artefact and crush artefact, may mimic disease. It usually represents the surgical margin.

Microscopic

Features:

  • Elongated thin toothpick-like nuclei.

DDx:

Images

www:

IHC

Sign out

DESCENDING COLON, BIOPSY:
- COLONIC MUCOSA WITH EXTENSIVE CAUTERY/CRUSH ARTEFACT -- LIMITING INTERPRETATION.
- NO APPARENT DYSPLASIA.

See also

References

  1. Groisman, GM.; Amar, M.; Meir, A. (Jul 2007). "Utility of MIB-1 (Ki-67) in evaluating diminutive colorectal polyps with cautery artifact.". Arch Pathol Lab Med 131 (7): 1089-93. doi:10.1043/1543-2165(2007)131[1089:UOMKIE]2.0.CO;2. PMID 17616996.