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Is human papilloma virus associated with salivary gland neoplasms An in situ-hybridization study
Scritto da Archives of Oral Biology   
Chirurgia oraleAbstract: Objective: HPV can infect cells of epithelial origin and is closely associated with carcinomas. Studies investigating its presence in salivary gland neoplasms are few and conflicting.Methods: Detection of HPV types 16 & 18 was done on 34 formalin-fixed, paraffin-embedded archival material of different salivary gland neoplasms using Digene HPV types 16 & 18 probe using in situ hybridization technique.Results: Eight of neoplastic salivary gland specimens were positively infected by HPV types 16 & 18. Seven of them were benign (4 Warthin's tumour, 2 pleomorphic adenoma and one myoepithelioma), in addition to one malignant specimen (lymphoma). Correlation was found between the incidence of HPV infection and histological differentiation of salivary gland neoplasms.Conclusions: An association exists between HPV infections and salivary gland neoplasms. However, given the sparse pattern of reactive cells, it cannot be confirmed that this virus is implicated in the aetiology of this group of tumours.
Fonte: Archives of Oral Biology
 

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