Is anyone doing PCR testing for mycobacteria on formalin-fixed, paraffin-embedded tissue? Thank you. Richard Richard W. Cartun, Ph.D. Director, Histology & Immunopathology Director, Biospecimen Collection Programs Assistant Director, Anatomic Pathology Hartford Hospital 80 Seymour Street Hartford, CT 06102 (860) 545-1596 (860) 545-0174 Fax