Difference between revisions of "Classification of urothelial carcinoma by immunohistochemistry"

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==General==
==General==
*A large meta-analysis showed two markers (CK5/6, GATA3) can subclassify ~90% of urothelial carcinoma into prognostic groups.<ref>{{cite journal |vauthors=Dadhania V, Zhang M, Zhang L, Bondaruk J, Majewski T, Siefker-Radtke A, Guo CC, Dinney C, Cogdell DE, Zhang S, Lee S, Lee JG, Weinstein JN, Baggerly K, McConkey D, Czerniak B |title=Meta-Analysis of the Luminal and Basal Subtypes of Bladder Cancer and the Identification of Signature Immunohistochemical Markers for Clinical Use |journal=EBioMedicine |volume=12 |issue= |pages=105–117 |date=October 2016 |pmid=27612592 |pmc=5078592 |doi=10.1016/j.ebiom.2016.08.036 |url=}}</ref>
*A large meta-analysis showed two markers (CK5/6, GATA3) can subclassify ~90% of urothelial carcinoma into prognostic groups.<ref>{{cite journal |vauthors=Dadhania V, Zhang M, Zhang L, Bondaruk J, Majewski T, Siefker-Radtke A, Guo CC, Dinney C, Cogdell DE, Zhang S, Lee S, Lee JG, Weinstein JN, Baggerly K, McConkey D, Czerniak B |title=Meta-Analysis of the Luminal and Basal Subtypes of Bladder Cancer and the Identification of Signature Immunohistochemical Markers for Clinical Use |journal=EBioMedicine |volume=12 |issue= |pages=105–117 |date=October 2016 |pmid=27612592 |pmc=5078592 |doi=10.1016/j.ebiom.2016.08.036 |url=}}</ref>
===A very simple classification of urothelial carcinoma by immunohistochemistry===
{{familytree/start}}
{{familytree | | | | | | | | | A01 | | | | |A01='''[[Urothelial carcinoma]]'''}}
{{familytree | | | | |,|-|-|-|-|^|-|-|-|-|.|}}
{{familytree | | | | B01 | | | | | | | | B02|B01='''Luminal type'''<br>'''GATA3 +ve'''<br>(CK5/6 -ve)|B02='''Basal type'''<br>'''CK5/6 +ve'''<br>(GATA3 -ve)}}
{{familytree/end}}


===A simple classification of urothelial carcinoma by immunohistochemistry===
===A simple classification of urothelial carcinoma by immunohistochemistry===

Revision as of 18:46, 15 October 2021

A classification of urothelial carcinoma by immunohistochemistry can be done with three immunostains.[1]

General

  • A large meta-analysis showed two markers (CK5/6, GATA3) can subclassify ~90% of urothelial carcinoma into prognostic groups.[2]

A simple classification of urothelial carcinoma by immunohistochemistry

 
 
 
 
 
 
 
 
Urothelial carcinoma
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Luminal type
GATA3 +ve
(CK5/6 -ve)
 
 
 
 
 
 
 
Basal type
CK5/6 +ve
(GATA3 -ve)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Genomically unstable
p16 +ve
 
 
 
Urothelial-like
p16 -ve
 
 
 
 
 
 
 
 
 
 
 

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The immunoprofile (GATA3 POSITIVE, p16 POSITIVE, CK5/6 negative,) is in keeping with UROTHELIAL CARCINOMA, LUMINAL TYPE, GENOMICALLY UNSTABLE.
The immunoprofile (GATA3 POSITIVE, p16 negative, CK5/6 negative) is in keeping with UROTHELIAL CARCINOMA, LUMINAL TYPE, UROTHELIAL-LIKE.
The immunoprofile (CK5/6 POSITIVE, GATA3 negative) is in keeping with UROTHELIAL CARCINOMA, BASAL TYPE.

See also

References

  1. "Three-antibody classifier for muscle invasive urothelial carcinoma and its correlation with p53 expression". J Clin Pathol. June 2021. doi:10.1136/jclinpath-2021-207573. PMID 34103388.
  2. "Meta-Analysis of the Luminal and Basal Subtypes of Bladder Cancer and the Identification of Signature Immunohistochemical Markers for Clinical Use". EBioMedicine 12: 105–117. October 2016. doi:10.1016/j.ebiom.2016.08.036. PMC 5078592. PMID 27612592. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5078592/.