Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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! # Ola via Alexandros G.Sfakianakis on Inoreader

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Τρίτη 7 Φεβρουαρίου 2017

Clinical Value of the Epstein-Barr Virus and p16 Status in Patients with Nasopharyngeal Carcinoma: A Single-Centre Study in Japan

Background: The clinical significance of the Epstein-Barr virus (EBV) status and p16 expression was unknown in nasopharyngeal carcinoma (NPC). Methods: We retrospectively studied our pathology database for 13 years to determine the prevalence of EBV and p16 expression and their association with prognosis in cases of NPC. We performed immunohistochemistry for the p16 protein and in situ hybridization (ISH) for EBV-encoded small RNAs and human papillomavirus (HPV) DNA. Results: Of the 43 patients with NPC, 27 (63%), 6 (14%), and 10 (23%) cases were EBV positive, EBV negative with keratinization, and EBV negative without keratinization, respectively. No cases were HPV positive by ISH. Among the 21 EBV-positive tumours that were tested for p16, only 2 tumours were p16 positive. The keratinization-positive group included only males, typically >60 years of age (5 of 6) and with T4 tumours (3 of 6). In contrast, the EBV-positive cohort tended to be younger (Conclusion: In areas, such as Japan, that are nonendemic for both EBV and HPV, the causality of NPC appears to be more heterogeneous.
ORL 2016;78:334-343

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