[Histonet] Sealing Paraffin Blocks

[Carole Fields]

They say if you seal the blocks they are good much longer for special
stains, etc.  We have a ring behind the block holder (from Richard-Allan)
that keeps everyone's microtome lined up the same.  You can also by the
Histo collimator (also from RA and I think Newcomer) to line up your blocks
so you will not cut the tissue away on recuts.  It is a little more costly.

Carole Fields, HT,ASCP
Pathology Supervisor
Lexington Medical Center
2720 Sunset Blvd.
W. Columbia, SC 2916

-----Original Message-----
From: Horn, Hazel V [mailto:HornHV <@t> archildrens.org]
Sent: Wednesday, May 24, 2006 9:36 AM
To: kerry.l.crabb <@t> gsk.com; histonet <@t> lists.utsouthwestern.edu
Subject: RE: [Histonet] Sealing Paraffin Blocks


We used to do this years ago.  We no longer seal blocks.   In fact, I
believe you cut away more on a sealed block if the block requires
recutting.

Hazel Horn
Hazel Horn, HT/HTL (ASCP)
Supervisor of Histology
Arkansas Children's Hospital
800 Marshall    Slot 820
Little Rock, AR   72202

phone   501.364.4240
fax        501.364.3912

visit us on the web at:    www.archildrens.org

-----Original Message-----
From: histonet-bounces <@t> lists.utsouthwestern.edu
[mailto:histonet-bounces <@t> lists.utsouthwestern.edu] On Behalf Of
kerry.l.crabb <@t> gsk.com
Sent: Tuesday, May 23, 2006 5:45 PM
To: histonet <@t> lists.utsouthwestern.edu
Subject: [Histonet] Sealing Paraffin Blocks

What is the current opinion and practice on sealing paraffin blocks
prior 
to filing/archiving them?  What is the pro and con in your opinion?
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