Case #404 – September 2015

A 31-year-old male presented with recurrent anal warts first noticed the summer of 2014. The warts were biopsied and diagnosed as low grade anal intraepithelial neoplasia (AIN1) in March 2015. Other symptoms included mild discomfort with defecation. In September 2015, an anal Pap smear was performed and stained with Papanicolau. Figures AE show what was observed by the attending pathologist. The objects of interest ranged in size from 7-15 micrometers. What is your diagnosis? Based on what criteria?

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Images presented in the DPDx case studies are from specimens submitted for diagnosis or archiving. On rare occasions, clinical histories given may be partly fictitious.

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