Difference between revisions of "Cautery artifact"
Jump to navigation
Jump to search
| Line 30: | Line 30: | ||
<pre> | <pre> | ||
POLYP, RECTUM, BIOPSY: | POLYP, RECTUM, BIOPSY: | ||
- POLYPOID FRAGMENT OF RECTAL MUCOSA WITH CAUTERY ARTIFACT, INDEFINITE FOR DYSPLASIA. | - POLYPOID FRAGMENT OF RECTAL MUCOSA WITH CAUTERY/CRUSH ARTIFACT, INDEFINITE | ||
FOR DYSPLASIA. | |||
COMMENT: | COMMENT: | ||
Revision as of 20:22, 22 October 2013
Cautery artifact, also cautery/crush artifact and crush artifact, may mimic disease. It usually represents the surgical margin.
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]
Sign out
DESCENDING COLON, BIOPSY: - COLONIC MUCOSA WITH EXTENSIVE CAUTERY/CRUSH ARTIFACT -- LIMITING INTERPRETATION. - NO APPARENT DYSPLASIA.
POLYP, RECTUM, BIOPSY: - POLYPOID FRAGMENT OF RECTAL MUCOSA WITH CAUTERY/CRUSH ARTIFACT, INDEFINITE FOR DYSPLASIA. COMMENT: Levels were cut. A Ki-67 stain shows focal mid-level staining; however, the surface is missing.
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.