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AJNR Am J Neuroradiol. 2000 Aug;21(7):1331-3.

Jacobson's nerve schwannoma presenting as middle ear mass.

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  • 1Department of Radiology, Hacettepe University Hospitals, Ankara, Turkey.


Schwannoma is one of the common benign middle ear space tumors. Middle ear space schwannomas may originate from the nerves of the tympanic cavity or by extensions from outside the middle ear space. In the English-language literature, the facial nerve and chorda tympani nerve, but not yet the tympanic branch of glossopharyngeal nerve (Jacobson's nerve), have been reported as the origins of intrinsic middle ear space schwannomas. We present the clinical and radiologic features of a middle-space schwannoma originating from Jacobson's nerve, and suggest that such a tumor be included in the differential diagnosis of middle ear tumors.

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