[Histonet] Ventana immunostainer

From:"Paula Wilder" (by way of histonet)

Our institution is trying the new Ventana immunostainer.  We have had the
unit since July and everything was staining nicely.  Then we started to get
variable staining, especially with CK20, ER and PR, ki67.  Ventana reps have
been working diligently to get this problem resolved.  We are using
pre-dilutes and the staining seems to be fine the first time, then
increasingly variable.  The reps took our controls to another area hospital
and tested them there and the staining was fine; hence, the problem is with
our machine.  I know they will replace this instrument if it continues to
fail, but I was wondering if anyone out there has similar problems.  Thanks
for any help!

Paula Wilder
St. Joseph Medical Center
7601 Osler Drive
Towson, MD 21204

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