Histopathologically, the tumor was GATA3-immunopositive, glucagon-negative, and succinate dehydrogenase-immunonegative, consistent with paraganglioma rather than middle ear adenoma.

35-year-old woman with left-sided hearing loss and bleeding from the external ear canal

Resection of a middle ear and mastoid mass, later mastoidectomy and ligation of the sigmoid sinus with microsurgical excision of persistent tumor in the jugular foramen and temporal bone