Occurrence of an isolated inverted papilloma in the pharynx of a 38-year-old man establishes the ability of this lesion to originate beyond the confines of the nose and paranasal sinuses. The origin of inverted papilloma is ascribed to metaplasia from minor salivary gland ducts.
Nosanchuk JS. Oropharyngeal Inverted Papilloma. Arch Otolaryngol. 1974;100(1):71–72. doi:10.1001/archotol.1974.00780040075018
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