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DOI: 10.1055/s-0041-1728635
Pleomorphic Adenoma of the Nose
Introduction The pleomorphic adenoma (PA) is the most common benign tumor of the salivary glands. About 75% of all PA are located in the parotid gland and about 15% in the submandibular gland. Only about 8-10% of PA are located in smaller salivary glands of the upper aerodigestive tract. Most of them are located in the soft and hard palate. Sinunasal PA are extremely rare. A malignant transformation of PA is reported in the literature to be up to 6%
Case report A 57-year-old patient complained of a persistent right-sided nasal breathing obstruction and recurrent epistaxis for 6 weeks. Nasal endoscopy revealed a spherical tumor which completely occupied the right nasal cavity. The tumor originated from the lower turbinate and was covered with crusts. The computed tomography of the paranasal sinus showed a well-circumscribed 3 X 2.5 X 3.5 cm mass of the right main nasal cavity without any indication of bone destruction of the surrounding area. Complete endoscopical excision was performed under general anesthesia. Histologic examination found a PA.
Conclusions PA is a rare but important differential diagnosis of endonasal tumours because of a potential malignant transformation.The therapy consists of complete excision with long-term observation due to the risk of recurrence.
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Publication History
Article published online:
13 May 2021
© 2021. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).
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