Squamous papillomatosis of the bilateral nasal cavities |
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Authors: | Kumagai Masaki Endo Sohei Matsunaga Eiko Kida Akinori Sakata Hitomi Yamamoto Masahiro |
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Institution: | Department of Otolaryngology, Kawaguchi Municipal Medical Center, Kawaguchi, Japan. masakikumagai@yahoo.co.jp |
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Abstract: | The term "papillomatosis" indicates the tendency towards multicentricity and recurrence that these tumors exhibit (Snyder et al. 1972). A typical squamous papilloma arises from the nasal vestibule and is characterized by the epithelial proliferation growing an exophytic manner. We report a rare case of squamous papillomatosis of the bilateral nasal cavities. A 65-year-old man presented with a 2-year-history of bilateral nasal obstruction. Computed tomographic (CT) scans revealed a soft density mass in the bilateral nasal cavities and ethmoid sinuses. Because the tumors were limited to the nasal cavities and anterior ethmoid sinuses, total removal of the tumors was performed endoscopically. On the basis of the clinicopathological findings, the tumors were diagnosed as squamous papillomas. His post-operative course was uneventful, and he is currently free from disease 13 months after surgery. Nasal papillomas usually arise from the unilateral nasal cavity or paranasal sinus. While some cases of inverted (inverting) papillomas arising from the bilateral nasal cavities have been reported, bilateralism of the nasal squamous papillomas is quite rare. Diagnosis, clinical behavior and treatment of squamous papillomatosis of the bilateral nasal cavities are reviewed. |
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