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Nihon Jibiinkoka Gakkai Kaiho. 2011 Sep;114(9):768-73.

[A case of Schneiderian middle-ear and sinonasal papilloma with intracranial complications].

[Article in Japanese]

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  • 1Department of Otolaryngology, Kyoto Second Red Cross Hospital, Kyoto.


Unlike Schneiderian papilloma, a widespread benign epithelial neoplasm arising in the sinonasal tract mucosa of the nasal cavity, paranasal sinus, trachea, and larynx, middle-ear Schneiderian papilloma is extremely rare. We report a case of recurrent Schneiderian papilloma spreading to the bilateral middle ear and right paranasal sinus, and eventually causing cerebellar complications. A-52-year old woman seen for episodes of inarticulateness was first, found to have middle right ear and right ethmoid papilloma, that occurred thereafter is the middle left ear. This bilateral middle-ear papilloma is, to our knowledge, the only case reported thus far, and fell into a low-risk malignant formation group based on HPV-DNA testing. Given previous cases, we concluded that ours warranted meticulous follow-up because recurrence and malignancy are more common in multiple-site middle-ear papilloma as in our case rather than papilloma of the middle ear alone.

[PubMed - indexed for MEDLINE]
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