Association of human papilloma virus with atypical and malignant oral papillary lesions

Christina McCord, Jing Xu, Wei Xu, Xin Qiu, Nidal Muhanna, Jonathan Irish, Iona Leong, Richard John McComb, Bayardo Perez-Ordonez, Grace Bradley

Research output: Contribution to journalArticlepeer-review

Abstract

Objective This study aimed to examine atypical and malignant papillary oral lesions for low- and high-risk human papillomavirus (HPV) infection and to correlate HPV infection with clinical and pathologic features. Study Design Sections of 28 atypical papillary lesions (APLs) and 14 malignant papillary lesions (MPLs) were examined for HPV by in situ hybridization and for p16 and MIB-1 by immunohistochemistry; 24 conventional papillomas were studied for comparison. Results Low-risk HPV was found in 10 of 66 cases, including 9 APLs and 1 papilloma. All low-risk HPV-positive cases showed suprabasilar MIB-1 staining, and the agreement was statistically significant (P <.0001). Diffuse p16 staining combined with high-risk HPV was not seen in any of the cases. A subset of HPV- APLs progressed to carcinoma. Conclusions Oral papillary lesions are a heterogeneous group. Low-risk HPV infection is associated with a subset of APLs with a benign clinical course. Potentially malignant APLs and MPLs are not associated with low- or high-risk HPV.

Original languageEnglish
Pages (from-to)722-732
Number of pages11
JournalOral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
Volume117
Issue number6
DOIs
StatePublished - Jun 2014
Externally publishedYes

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