Table 1

Summary of clinical information and results of in situ hybridisation for human papillomavirus (HPV) DNA in the six cases of oral inverted ductal papilloma

CaseSexAgeLocationHistological features of HPV infectionHPV WSS probeHPV 6/11HPV 16/18HPV 31/33
WSS, wide spectrum probe; includes HPV types 6, 11, 16, 18, 30, 31, 33, 45, 51, and 52.
1F27Soft palatePresent in surface epithelium
2F57Upper labial mucosaNone present
3F39Right buccal mucosaPresent in surface epithelium and endophytic component
4M39Floor of mouthPresent in surface epithelium and endophytic component++
5M41Floor of mouthPresent in surface epithelium and endophytic component++
6M54Right buccal mucosaPresent in surface epithelium and endophytic component++