Basal cell carcinoma-associated pseudocarcinomatous hyperplasia.

To the Editors: Human papillomavirus associated cyst (HPAC) is a type of epithelial cyst with microscopic features consistent with human papillomavirus (HPV) infection. The presence of HPV-DNA sequence has been detected by immunohistochemistry, hybridization studies, and polymerase chain reaction. Only HPV types 57 and 60 have been identified in the cystic… CONTINUE READING