Have you tried gall bladder?  And some  times livers that are diseased have it. 
They always look green. 
Just a thought.  
Sent from my iPhone

On Dec 20, 2011, at 3:45 PM, "Thurby, Christina" <christina.thu...@bms.com> 
wrote:

> Hello All,
> I have a few questions about Bile Stain control tissue:  First - does anyone 
> have or know of any good sources where I can purchase a couple of positive 
> control blocks demonstrating bile in the tissue?  I have some purchased 
> control slides - but they appear to be from 'bile sludge' prepared to block.  
> This is a nice emerald green when stained with the Hall's method, but our 
> pathologists would like to see positive bile demonstrated in the tissue 
> elements.  Carson's newest book has a very nice image.
> 
> Next question:  Carson's procedure for the Hall's bile stain describes the 
> positive elements as a emerald green to drab olive in color.  We have a case 
> that appears to be positive but the Hall's stain is kind of a camouflage 
> brownish/drab olive green.  Is there a chance we're doing something wrong 
> with this procedure?  Our purchased 'bile sludge' control slides are a nice 
> emerald green.   We also ran the Stein's method - this was completely 
> negative (even on the purchased controls).  Any thoughts and/or feedback is 
> appreciated!
> Thanks!
> Kristie
> 
> Christina Thurby, MLT(ASCP), HT, QIHC
> Research Scientist I
> Bristol Myers Squibb
> 812-307-2093
> 
> 
> 
> 
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