Chantel,
we try to use tissues and cases that we find positive that were processed in 
our lab. However, we have had to purchase control slides from companies 
because we just don't have them and the pathologsits' do not want to spend 
the money sending them to another lab. We do look at the "control slide" 
that is sent for each batch to make sure we get what we pay for.
    As for looking at the patient slides, we always are looking to see if we 
can use that block or tissue as a control for ourselves, whether it is for 
special stains or immunos.

Joe Nocito BS, HT(ASCP)QIHC
Histology Manager
Pathology Reference Lab
San Antonio, TX

----- Original Message ----- 
From: "Kevin and Chantel Bosewell" 
To: 
Sent: Wednesday, August 31, 2005 3:39 AM
Subject: [Histonet] Control Slides


Hello All,
    Our Pathologist believe control slides which are purchased are bomb 
proof and we should process our own.  How does everyone else feel about 
this? Oh, and one more question,  when you do any special stain do you 
review the patient slide or just the control?  I have been asking around and 
I have been getting different answers.  We recently had a false negative on 
a GMS for Fungus and this tech does not review the patient slides, in this 
case the control slide was positive.  Thank you for any insight.

Chantel Boswell HT (ASCP)
Waco, Tx
Thank you in advance,
Chantel Boswell HT (ASCP)
Waco, Tx
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