Difference between revisions of "Cautery artefact"
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*[http://alf3.urz.unibas.ch/pathopic/e/getpic-fra.cfm?id=566 | *[http://alf3.urz.unibas.ch/pathopic/e/getpic-fra.cfm?id=566 Cautery artefact (unibas.ch)]. | ||
==IHC== | ==IHC== | ||
Revision as of 23:36, 5 July 2013
Cautery artefact, also cautery/crush artefact and crush artefact, is common mimic of disease.
Microscopic
Features:
- Elongated thin toothpick-like nuclei.
DDx:
- Dysplasia - adenomatous polyps
- Electrocution.
Images
Surgical margin with cautery - low mag. (WC/Nephron)
Surgical margin with cautery - intermed. mag. (WC/Nephron)
Surgical margin with cautery - high mag. (WC/Nephron)
www:
IHC
- Ki-67 - absent/minimal staining.
- Stains adenomatous polyps.[1]
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DESCENDING COLON, BIOPSY: - COLONIC MUCOSA WITH EXTENSIVE CAUTERY/CRUSH ARTEFACT -- LIMITING INTERPRETATION. - NO APPARENT DYSPLASIA.
See also
References
- ↑ 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.