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m (→Microscopic) |
m (→Grading RCC) |
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***Trisomy 7 - contains MET gene.<ref>{{OMIM|164860}}</ref> | ***Trisomy 7 - contains MET gene.<ref>{{OMIM|164860}}</ref> | ||
== | ==Renal cell carcinoma grading== | ||
*[[AKA]] ''Fuhrman grade''. | |||
===General=== | ===General=== | ||
Some subtypes are graded based on the '''Fuhrman system''' which considers:<ref name=Ref_GUP282>{{Ref GUP|282}}</ref> | Some RCC subtypes are graded based on the '''Fuhrman system''' which considers:<ref name=Ref_GUP282>{{Ref GUP|282}}</ref> | ||
*Nuclear pleomorphism (size, shape). | *Nuclear pleomorphism (size, shape). | ||
*Chromatin pattern. | *Chromatin pattern. | ||
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Notes: | Notes: | ||
*The system was validated for clear cell RCC. | *The system was validated for [[clear cell RCC]]. | ||
*Fuhrman nuclear grade is '''not''' prognostic in ''chromophobe RCC'' and should not be used in that context.<ref name=pmid17527087>{{Cite journal | last1 = Delahunt | first1 = B. | last2 = Sika-Paotonu | first2 = D. | last3 = Bethwaite | first3 = PB. | last4 = McCredie | first4 = MR. | last5 = Martignoni | first5 = G. | last6 = Eble | first6 = JN. | last7 = Jordan | first7 = TW. | title = Fuhrman grading is not appropriate for chromophobe renal cell carcinoma. | journal = Am J Surg Pathol | volume = 31 | issue = 6 | pages = 957-60 | month = Jun | year = 2007 | doi = 10.1097/01.pas.0000249446.28713.53 | PMID = 17527087 }}</ref> | *Fuhrman nuclear grade is '''not''' prognostic in ''chromophobe RCC'' and should not be used in that context.<ref name=pmid17527087>{{Cite journal | last1 = Delahunt | first1 = B. | last2 = Sika-Paotonu | first2 = D. | last3 = Bethwaite | first3 = PB. | last4 = McCredie | first4 = MR. | last5 = Martignoni | first5 = G. | last6 = Eble | first6 = JN. | last7 = Jordan | first7 = TW. | title = Fuhrman grading is not appropriate for chromophobe renal cell carcinoma. | journal = Am J Surg Pathol | volume = 31 | issue = 6 | pages = 957-60 | month = Jun | year = 2007 | doi = 10.1097/01.pas.0000249446.28713.53 | PMID = 17527087 }}</ref> | ||
*Anything with [[spindle cell]]s<ref name=pmid15763002/> or rhabdoid cells should make one think grade 4, as it is likely a ''[[renal cell carcinoma with sarcomatoid differentiation]]''. | *Anything with [[spindle cell]]s<ref name=pmid15763002/> or rhabdoid cells should make one think grade 4, as it is likely a ''[[renal cell carcinoma with sarcomatoid differentiation]]''. |
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