I would caution any using Prefer to consider if they will be doing any
rna/dna testing now or perhaps in the future on the tissue. We have had poor
dna FISH results with it. Soon I'll be trying some pcr assays, and will let
you know how that goes.

Patti Loykasek
PhenoPath Laboratories
Seattle, WA


> Hi,  after many years as a Prefer fixative user our pathologists are telling
> us that we have to go back to formalin.  This came about after a letter to the
> editor appeared in the Journal of Surgical Pathology.
> 
> Has anyone out there been approached by their pathologists to switch back?
> 
> Mary Bryhan
> 
> 
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