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Difference between revisions of "Cautery artifact"
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'''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]] | |||