[Histonet] processing possible TB infected tissue

From:"Vickroy, Jim"


We are reviewing our procedures and have a procedure that we really
haven't been following.  This is a procedure that calls for processing
possible TB tissue by hand.  This was based on an old report that
possible TB bacteria could survive formalin fixation.  Right now we are
processing all of our tissue by automated tissue processors, and we
really only handle CJD tissue differently than the others.  Obviously we
don't have many cases suspected of TB but we do occasionally process
granulomas that are suspicious  for AFB positive organisms.  The final
diagnosis of these organisms is usually not known until long after the
processing.  I am interested hearing how other people handle this
tissue.  Thanks.


Jim Vickroy

Technical Supervisor - Surgical and Autopsy Pathology

Memorial Medical Center


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