Astra blue technique

From:Renee Escalona <>


I have never heard of the "Astra blue" technique  but our lab uses a Giemsa stain or a Toluidine Blue stain for the demonstration of mast cells with much success.  Hope this helps.

Renee Escalona, BS, HTL(ASCP)
Laboratory Supervisor
TX Vet. Med. Diag. Lab.
College Station, TX  

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