From:Gerard Spoelstra <>

Dear histoneters, we are having trouble distinguishing Norcadia and
Actinomyces on a paraffin section. The texts I've consulted don't list
norcadia giving a pas positive reaction. The organism we have has pas
positive mycelium within a sulpur-granulated pustule. 

Thanks in advance 

Gerard Spoelstra
School of Biomedical Science
Murdoch University
Western Australia

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