Cerebellopontine angle glioneuronal hamartoma
| Autor: | Ronald I. Apfelbaum, Jeannette J. Townsend, T H. Ric Harnsberger, James L. Parkin, Cheryl A. Palmer |
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| Rok vydání: | 1996 |
| Předmět: |
Pathology
medicine.medical_specialty Hamartoma Cerebellopontine Angle Schwannoma Auditory canal otorhinolaryngologic diseases medicine Humans neoplasms Aged Eighth nerve medicine.diagnostic_test Brain Neoplasms business.industry Magnetic resonance imaging Anatomy medicine.disease Vestibular nerve Cerebellopontine angle Magnetic Resonance Imaging nervous system diseases Female Surgery Neurology (clinical) business Neurilemmoma Cerebellopontine angle tumors |
| Zdroj: | Surgical Neurology. 45:467-469 |
| ISSN: | 0090-3019 |
| DOI: | 10.1016/0090-3019(95)00407-6 |
| Popis: | Roughly 90% of cerebellopontine angle tumors are acoustic neuromas. Other prevalent lesions include meningiomas and epidermoid tumors; additional lesions are rare. We describe a patient with a neuroglial hamartomatous mass of the internal auditory canal who was thought to have a schwannoma preoperatively. In this case, the hamartomatous tissue containing neuroectodermal elements may have become separated from the developing neuraxis during neural migration. Hamartomas should be considered when masses are discovered originating from eighth nerve branches other than the superior vestibular nerve and when magnetic resonance signal characteristics vary from the T1 enhancement typically seen with schwannomas and meningiomas. |
| Databáze: | OpenAIRE |
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