[Histonet] RE: [IHCRG] ER clone 1D5 or SP1 ?

[Patsy Ruegg]

Did I understand correctly from Dr. Hammond in Florida that the ER ASCO/CAP
guidelines extended the fixation time to 72 hours?  Are they changing the
Her2 guidelines to match the ER?  If so, has that happened yet?  I have
people very anxious to stop having techs work on the weekends to comply with
the 48 hour fixation limits.

 

Thank you,

 

Patsy 

 

Patsy Ruegg, HT(ASCP)QIHC
IHCtech, LLC
Fitzsimmons BioScience Park
12635 Montview Blvd. Suite 215
Aurora, CO 80010
P-720-859-4060
F-720-859-4110
wk email pruegg <@t> ihctech.net
web site www.ihctech.net

 


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From: ihcrg <@t> googlegroups.com [mailto:ihcrg <@t> googlegroups.com] On Behalf Of
Van Eyck, Deb
Sent: Monday, April 26, 2010 10:30 AM
To: ancillarypath <@t> mac.com; ihcrg Group (E-mail); histonet netserver
Subject: RE: [IHCRG] ER clone 1D5 or SP1 ?

 

This is a great discussion lets also talk about PR clones since the ASCO/CAP
guidelines just came out ------Hadi or Rich I know they only list two PR
clones one is Dako 1294-----what is the other 312? Deb

 

  _____  

From: ihcrg <@t> googlegroups.com [mailto:ihcrg <@t> googlegroups.com] On Behalf Of
ancillarypath <@t> mac.com
Sent: Sunday, April 25, 2010 7:36 PM
To: ihcrg Group (E-mail); histonet netserver
Subject: Re: [IHCRG] ER clone 1D5 or SP1 ?

 

When we started our lab 3 years ago, we began with SP1 from day 1, so I
don't have any experience with either 1D5 or 6F11 except in my previous
labs. 1D5 is an excellent clone, and seems to be more specific than SP1 in
the work-up of metastatic carcinoma of unknown primary site, based on the
published literature. The advantage of 6F11 is that, for those of us who use
the Allred scoring system, it's the only clone that was clinically validated
by Harvey et al. (JCO 1999) for this purpose. I agree with Rich.

 

For those who use SP1, it's a very good clone as a predictive marker in
breast cancer. But again, in the setting of metastatic workup, it is NOT
recommended, as it will pick up too many primary lung cancers and some colon
cancers (personal experience).

 

Hadi

 

================================

Hadi Yaziji, M.D., Medical Director

Vitro Molecular Laboratories

President,

Ancillary Pathways

7000 62nd Avenue, PH-C

Miami, FL 33143

T 305-740-4440

F. 786-513-0175

www.vitromolecular.com

www.ancillarypath.com

 

 

On Apr 25, 2010, at 3:04 PM, Richard Cartun wrote:

 

I have looked at several clones over the years and I prefer clone 6F11.

Richard

Richard W. Cartun, Ph.D.
Director, Histology & Immunopathology
Director, Biospecimen Collection Programs
Assistant Director, Anatomic Pathology
Hartford Hospital
80 Seymour Street
Hartford, CT  06102
(860) 545-1596 Office
(860) 545-2204 Fax




"Taylor, Jean" <jtaylor <@t> meriter.com> 4/23/2010 11:17 AM >>>


I'm wondering which clone of ER most labs are using?

Thanks,
Jean Taylor, HT(ASCP)QIHC
IHC Tech
Meriter Health Services
Madison, WI


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