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

rsrichmond <@t> aol.com rsrichmond <@t> aol.com
Thu Apr 26 12:01:56 CDT 2007

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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