[Histonet] Re: Use of 1% AgNO3 in gross room

Bernice Frederick b-frederick <@t> northwestern.edu
Thu Apr 26 13:02:57 CDT 2007

After the India ink, a quick dip in Bouin's helps to fix the ink really

Bernice Frederick HTL (ASCP)
Senior Research Tech
Pathology Core Facility/ECOGPCO-RL
Robert H. Lurie Cancer Center
Northwestern university

-----Original Message-----
From: histonet-bounces <@t> lists.utsouthwestern.edu
[mailto:histonet-bounces <@t> lists.utsouthwestern.edu] On Behalf Of
rsrichmond <@t> aol.com
Sent: Thursday, April 26, 2007 11:02 AM
To: histonet <@t> lists.utsouthwestern.edu
Subject: [Histonet] Re: Use of 1% AgNO3 in gross room

In my travels to a large number of surgical pathology services back to 
1965, I have never seen silver nitrate (AgNO3) used to mark margins, 
though I've seen references to it in the literature. It seems to me 
that its environmental problems (and the expense) make it a poor 
choice. If your pathologists want a tub of something to mark whole 
specimens with, I suggest india ink (bought cheaply from an art supply 
store) or black marking ink (bought expensively from the folks that 
keep the cost of medical care high). I've seen india ink handled this 
way in a number of labs, though my personal preference is to swab the 
stuff on.

Bob Richmond
Samurai Pathologist
Knoxville TN
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