RE: [Histonet] AFB Positive Patient
I have seen a slide of lymph node from a patient with a severely
immunocompromised state who has such a superabundance of AFB that the
section was visibly pink to the naked eye. Needless to say, these sections
were NOT used as controls for routine work. Interestingly, when PCR typing
was performed, the bugs turned out to M avis and not MTb as initially
This is completely anecdotal, but I have heard of various mycobacteriae
lurking in tap water, that show up on sections washed in that water, causing
"false positives". Has anyone else anything to offer on this possible urban
Bone Research Unit
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----Original Message Follows----
From: "kevin williams"
Subject: [Histonet] AFB Positive Patient
Date: Tue, 09 Dec 2003 19:50:24 +0000
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