We recently switched vendors for our formalin and while we have not experienced
any difference with our surgical specimens, our cell blocks from body fluids
have been giving us a great deal of trouble. The button that we get never
seems to harden, leaving it sort of gelatinous, even if left to sit in formalin
for days. We are able to get sections off of these cell blocks, however, the
slides are blank by the end of the staining process. This is only a recent
development that seems to coincide with the time we switched formalin vendors
and it only happens with body fluid specimens (FNA specimens don't seem to give
us as much trouble). The composition of the formalin is almost identical
between vendors.
Can anyone help me explain why this might be happening?
Thank you in advance,
Allison
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