AbstractGet full access to this articleView all access options for this article.Get accessReferences1. Sakaki M , Shek TWH , Hirokawa M , Kashima K , Daa T , Gamachi A , Sano T . Melanotic oncocytic metaplasia of the nasopharynx: A report of seven cases and review of the literature. Virchows Arch 444:345-349 2004