[Histonet] Zinc Formalin

Kemlo Rogerson kemlo.rogerson <@t> waht.swest.nhs.uk
Wed Jan 25 02:59:04 CST 2006

If you leave the tissue in too long it will become hard and, if my memory
serves me, you may have problems with overstaining with haematoxylin. My
advice, if you can't get it back, is to take the tissue out of the fixative
ASAP and put into regular fixative.

Kemlo Rogerson
West Super Mare Pathology Service Manager
(recovering Cell Path Manager)

-----Original Message-----
From: Laurie Colbert [mailto:laurie.colbert <@t> huntingtonhospital.com] 
Sent: Tuesday, January 24, 2006 11:13 PM
To: Histonet (E-mail)
Subject: [Histonet] Zinc Formalin

Our formalin supplier mistakenly shipped us pre-filled containers containing
zinc formalin instead of 10% NBF.  Before I noticed this, three cases had
been distributed throughout the hospital (most likely to Surgery).  So, how
is this going to affect my tissue?  Is there any post-treatment (such as
removing mercury pigment on B-5 fixed tissue) that I need to perform?

Thanks in advance for any info you can provide.

Laurie Colbert 

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