A 65-year-old man with history of treated anal intraepithelial neoplasia presents with new-onset diarrhea. A Papanicolaou-stained anal smear was performed for follow-up cancer screening.
|Nicholas Boire, M.D., M.S.
Resident, Anatomic and Clinical Pathology
|Bobbi Pritt, M.D.
Consultant, Clinical Microbiology
Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine and Science
|Charles Sturgis, M.D.
Senior Associate Consultant, Anatomic Pathology