[Histonet] RE: HER2 IHC score averages

[Cartun, Richard]

I haven't looked at my 2014 data yet, but I can give you scores for the first quarter of 2013:

118 cases of invasive carcinoma were tested (clone EP3)
18 (15.3%) were "Positive" (3+) by IHC
7 (5.9%) were "Equivocal" (2+) by IHC
93 (78.8%) were "Negative (0 or 1+) by IHC

With the new 2014 HER2 interpretation guidelines I would predict that we had more "1+" and "2+" cases, and less "0" cases in 2014.

Richard

Richard W. Cartun, MS, PhD
Director, Histology & Immunopathology
Director, Biospecimen Collection Programs
Assistant Director, Anatomic Pathology
Hartford Hospital
80 Seymour Street
Hartford, CT  06102
(860) 972-1596
(860) 545-2204 Fax

-----Original Message-----
From: histonet-bounces <@t> lists.utsouthwestern.edu [mailto:histonet-bounces <@t> lists.utsouthwestern.edu] On Behalf Of Burnett, Brandy
Sent: Friday, January 02, 2015 9:40 AM
To: histonet <@t> lists.utsouthwestern.edu
Subject: [Histonet] HER2 IHC score averages

Would anyone happen to know the overall scoring averages for HER2 IHC for

each score (0, 1+, 2+, 3+)?

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