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Clinical Problem Solving: Radiology
July 21, 2008

Radiology Quiz Case: Diagnosis

Author Affiliations


Arch Otolaryngol Head Neck Surg. 2008;134(7):782. doi:10.1001/archotol.134.7.782

Cervical sympathetic schwannoma is a rare benign nerve sheath tumor, encountered mainly as a parapharyngeal space-occupying lesion. After salivary gland tumors, neurogenic tumors are the second most common neoplasms of the parapharyngeal space. They are usually located in the poststyloid region of the parapharyngeal space. Among the neurogenic tumors, the most common are the schwannomas of the vagus and sympathetic nerves.1,2Of the approximately 37 sympathetic schwannomas that have been reported in the English-language literature to date,110, including the present case, have been described as splaying the carotid arteries.2,3Some reports have noted a male predilection.1

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