Would anyone care to share their experiences with Pax-5 antibody on the Ventana immunostainers? I'm puzzled by my initial negative results using Hodgkin's disease positive lymph nodes and tonsil...Are there any known quirks to this antibody? Sally Ann Drew, MT(ASCP) IHC/ISH Laboratory University of Wisconsin Hosp. & Clinics Madison, WI 53792 (608)265-6596