Difference between revisions of "Cautery artefact"
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Image: Positive margin with cautery artefact - adenocarcinoma - low mag.jpg | | 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 | | 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 | | Image: Positive margin with cautery artefact - adenocarcinoma - high mag.jpg | [[Surgical margin]] with cautery - high mag. (WC/Nephron) | ||
</gallery> | </gallery> | ||
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Revision as of 23:33, 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.