Case 143. HPV-16 infection (severe dysplasia) (38 y-o F)

       
  Cervical smear and biopsy from a sexually active woman with colposcopic abnormality  
       

 

  Restaining of the bleached pap smear (in situ hybridization for HPV, type 16 genome) shows dot-like reactivity in the nucleus of some dyskaryotic cells.