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Primary Tumors of the External and Middle EarII. A Clinicopathologic Study of 14 Paragangliomas and Three Meningiomas
Karl T. K. Chen, MD;
Louis P. Dehner, MD
Arch Otolaryngol. 1978;104(5):253-259.
Abstract
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• Paragangliomas (chemodectomas, glomus jugulare tumors) represented 15% of all neoplasms of the ear in the period from 1964 to 1975 at the University of Minnesota, Minneapolis. Women in the fifth to sixth decades of life were mainly affected, and hearing loss and tinnitus were the principal symptoms. Although most tumors had the typical histopathologic appearance, two neoplasms that were initially diagnosed as paragangliomas illustrated the problems in differential diagnosis. One of these latter two tumors had metastasized and was thought to represent a malignant paraganglioma. Retrospectively, both neoplasms were adenomatous tumors of the middle ear. For the remaining patients with typical jugular paragangliomas, surgery and/or irradiation therapy controlled the local tumor in 12 cases. Two of the three meningiomas occurring in the middle ear were preceded by or associated with an intracranial component. There were only four prior examples in the literature, excluding our one case, of primary meningiomas of the ear-mastoid region. Histologically, the features were virtually identical to the usual intracranial meningioma.
(Arch Otolaryngol 104:253-259, 1978)
Author Affiliations
From the Division of Surgical Pathology, Department of Laboratory Medicine and Pathology, University of Minnesota Medical School, Minneapolis.
Footnotes
Accepted for publication Oct 26, 1977.
Reprint requests to Division of Surgical Pathology, Box 76, Mayo Memorial Bldg, Minneapolis, MN 55455 (Dr Dehner).
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