Ginny:It seems you are asking for a "problem" average and that will vary per
laboratory and how the whole process is carried out.Section washed out from the
slide usually is consequence of poor processing or sectioning and has nothing
to do with IHC, although, perhaps, a wrongly performed HIER can cause it.Wrong
block is a mistake also having nothing to do with IHC and is always caused by
an inattentive HT not paying attention to the process.My point is that,
essentially, the lab should try to get to "0" mistakes and any one has to be
documented in the QC record but it will be interesting to find out the
"mistakes rate" you find and I think you should share it with all.René
On Friday, October 26, 2018 4:41 PM, Kurth Virginia L. via Histonet
<histonet@lists.utsouthwestern.edu> wrote:
Hello, I was wondering if anyone in the histology laboratory (IHC) has a limit
on how many times one would repeat a stain; for example but not
Limited too: The tissue fell off, negative control, wrong block,etc.. for IHC
DAB and/or ISH. Thanks Ginny
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