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Difference between revisions of "Kidney tumours"
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→IHC - differentiation of types
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** Hale's colloidal iron +ve in ChRCC, usually neg. in ONC.<ref name=pmid18603673>{{cite journal |author=Geramizadeh B, Ravanshad M, Rahsaz M |title=Useful markers for differential diagnosis of oncocytoma, chromophobe renal cell carcinoma and conventional renal cell carcinoma |journal=Indian J Pathol Microbiol |volume=51 |issue=2 |pages=167?1 |year=2008 |pmid=18603673 |doi= |url=http://www.ijpmonline.org/article.asp?issn=0377-4929;year=2008;volume=51;issue=2;spage=167;epage=171;aulast=Geramizadeh }}</ref> | ** Hale's colloidal iron +ve in ChRCC, usually neg. in ONC.<ref name=pmid18603673>{{cite journal |author=Geramizadeh B, Ravanshad M, Rahsaz M |title=Useful markers for differential diagnosis of oncocytoma, chromophobe renal cell carcinoma and conventional renal cell carcinoma |journal=Indian J Pathol Microbiol |volume=51 |issue=2 |pages=167?1 |year=2008 |pmid=18603673 |doi= |url=http://www.ijpmonline.org/article.asp?issn=0377-4929;year=2008;volume=51;issue=2;spage=167;epage=171;aulast=Geramizadeh }}</ref> | ||
** PAX2 -- ChRCC (1/11) +ve vs. ONC (20/23) +ve.<ref name=pmid17210525>{{cite journal |author=Memeo L, Jhang J, Assaad AM, ''et al.'' |title=Immunohistochemical analysis for cytokeratin 7, KIT, and PAX2: value in the differential diagnosis of chromophobe cell carcinoma |journal=Am. J. Clin. Pathol. |volume=127 |issue=2 |pages=225–9 |year=2007 |month=February |pmid=17210525 |doi=10.1309/9KWEA4W9Y94D1AEE |url=http://ajcp.ascpjournals.org/cgi/pmidlookup?view=long&pmid=17210525}}</ref> | ** PAX2 -- ChRCC (1/11) +ve vs. ONC (20/23) +ve.<ref name=pmid17210525>{{cite journal |author=Memeo L, Jhang J, Assaad AM, ''et al.'' |title=Immunohistochemical analysis for cytokeratin 7, KIT, and PAX2: value in the differential diagnosis of chromophobe cell carcinoma |journal=Am. J. Clin. Pathol. |volume=127 |issue=2 |pages=225–9 |year=2007 |month=February |pmid=17210525 |doi=10.1309/9KWEA4W9Y94D1AEE |url=http://ajcp.ascpjournals.org/cgi/pmidlookup?view=long&pmid=17210525}}</ref> | ||
**Kidney-specific cadherin (Ksp-cadherin) -- +ve | **Kidney-specific cadherin (Ksp-cadherin) -- ChRCC 97% +ve (distinctive membrane pattern) vs. ONC only 3% +ve.<ref name=pmid15712178>{{cite journal |author=Mazal PR, Exner M, Haitel A, ''et al.'' |title=Expression of kidney-specific cadherin distinguishes chromophobe renal cell carcinoma from renal oncocytoma |journal=Hum. Pathol. |volume=36 |issue=1 |pages=22–8 |year=2005 |month=January |pmid=15712178 |doi=10.1016/j.humpath.2004.09.011 |url=}}</ref> | ||
*ChRCC & renal oncocytoma vs. others: | *ChRCC & renal oncocytoma vs. others: | ||
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**Hale's colloidal iron (+ve in ChRCC).<ref name=pmid18603673/> | **Hale's colloidal iron (+ve in ChRCC).<ref name=pmid18603673/> | ||
**CK7 (cell membrane +ve in ChRCC). | **CK7 (cell membrane +ve in ChRCC). | ||
Notes: | Notes: | ||
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*Another paper I came across:<ref>{{cite journal |author=Avery AK, Beckstead J, Renshaw AA, Corless CL |title=Use of antibodies to RCC and CD10 in the differential diagnosis of renal neoplasms |journal=Am. J. Surg. Pathol. |volume=24 |issue=2 |pages=203?0 |year=2000 |month=February |pmid=10680888 |doi= |url=http://meta.wkhealth.com/pt/pt-core/template-journal/lwwgateway/media/landingpage.htm?issn=0147-5185&volume=24&issue=2&spage=203}}</ref> | *Another paper I came across:<ref>{{cite journal |author=Avery AK, Beckstead J, Renshaw AA, Corless CL |title=Use of antibodies to RCC and CD10 in the differential diagnosis of renal neoplasms |journal=Am. J. Surg. Pathol. |volume=24 |issue=2 |pages=203?0 |year=2000 |month=February |pmid=10680888 |doi= |url=http://meta.wkhealth.com/pt/pt-core/template-journal/lwwgateway/media/landingpage.htm?issn=0147-5185&volume=24&issue=2&spage=203}}</ref> | ||
*c-kit (CD117) not useful for differentiating ONC and ChRCC.<ref name=pmid17210525>{{cite journal |author=Memeo L, Jhang J, Assaad AM, ''et al.'' |title=Immunohistochemical analysis for cytokeratin 7, KIT, and PAX2: value in the differential diagnosis of chromophobe cell carcinoma |journal=Am. J. Clin. Pathol. |volume=127 |issue=2 |pages=225–9 |year=2007 |month=February |pmid=17210525 |doi=10.1309/9KWEA4W9Y94D1AEE |url=http://ajcp.ascpjournals.org/cgi/pmidlookup?view=long&pmid=17210525}}</ref> | *c-kit (CD117) not useful for differentiating ONC and ChRCC.<ref name=pmid17210525>{{cite journal |author=Memeo L, Jhang J, Assaad AM, ''et al.'' |title=Immunohistochemical analysis for cytokeratin 7, KIT, and PAX2: value in the differential diagnosis of chromophobe cell carcinoma |journal=Am. J. Clin. Pathol. |volume=127 |issue=2 |pages=225–9 |year=2007 |month=February |pmid=17210525 |doi=10.1309/9KWEA4W9Y94D1AEE |url=http://ajcp.ascpjournals.org/cgi/pmidlookup?view=long&pmid=17210525}}</ref> | ||
*E-cadherin ''not'' useful for differentiating ChRCC and ONC.<ref name=pmid12613443>{{cite journal |author=Kim MK, Kim S |title=Immunohistochemical profile of common epithelial neoplasms arising in the kidney |journal=Appl. Immunohistochem. Mol. Morphol. |volume=10 |issue=4 |pages=332–8 |year=2002 |month=December |pmid=12613443 |doi= |url=}}</ref> | |||
===Tabular comparison=== | ===Tabular comparison=== | ||