After all my years doing histo work, I have one H&E tissue section, mouse
lung which shows crystalline shaped eosinophilic artifacts.  I stained
other lung sections from this experiment and murine reproductive tract,
placenta at the same time.  These have no artifacts. Some of the crystals
actually look ingested by macrophages.  

If anyone is interested, I will be happy to drop photo privately.  I have
never seen artifacts like these.  

Baffled in Montana! 




Gayle Callis
MT,HT,HTL(ASCP)
Research Histopathology Supervisor
Veterinary Molecular Biology 
Montana State University - Bozeman
PO Box 173610
Bozeman MT 59717-3610
406 994-6367 (lab with voice mail)
406 994-4303 (FAX)



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