Cautery artifact, also cautery/crush artifact and crush artifact, may mimic disease. It usually represents the surgical margin.
- Elongated thin toothpick-like nuclei.
Surgical margin with cautery - low mag. (WC/Nephron)
Surgical margin with cautery - intermed. mag. (WC/Nephron)
Surgical margin with cautery - high mag. (WC/Nephron)
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 superficial staining; however, the surface is missing.
TISSUE ("BLADDER TUMOUR, DEEP"), BIOPSY: - BENIGN SUBEPITHELIAL TISSUE. - SCANT UROTHELIUM WITH CRUSH/CAUTERY ARTIFACT -- LIMITING INTERPRETATION. - NO EVIDENCE OF MALIGNANCY.