Difference between revisions of "Cautery artifact"
Jump to navigation
Jump to search
(redirect) |
|||
| (10 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
[[Image:Positive margin with cautery artefact - adenocarcinoma - high mag.jpg|thumb|225px|Cautery artefact. [[H&E stain]].]] | |||
'''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=== | |||
<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 artifact (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 ARTIFACT -- LIMITING INTERPRETATION. | |||
- NO APPARENT DYSPLASIA. | |||
</pre> | |||
<pre> | |||
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. | |||
</pre> | |||
<pre> | |||
TISSUE ("BLADDER TUMOUR, DEEP"), BIOPSY: | |||
- BENIGN SUBEPITHELIAL TISSUE. | |||
- SCANT UROTHELIUM WITH CRUSH/CAUTERY ARTIFACT -- LIMITING INTERPRETATION. | |||
- NO EVIDENCE OF MALIGNANCY. | |||
</pre> | |||
==See also== | |||
*[[Basics]]. | |||
*[[Surgical margin]]. | |||
*[[Histology artifacts]]. | |||
*[[Snare tip soft coagulation]]. | |||
==References== | |||
{{Reflist|1}} | |||
[[Category:Basics]] | |||
Latest revision as of 06:00, 9 November 2014
Cautery artefact. H&E stain.
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 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.
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.