| Intratemporal facial nerve neuroma: anatomical location and radiological features. | |
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MedLine Citation:
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PMID: 11568549 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: To present the imaging findings and anatomical locations of a series of 88 facial nerve neuromas from two centers over a 30-year period. We describe the salient radiological features of neuromas in each anatomical location and outline the ways in which modern imaging techniques have altered our perception of this entity. STUDY DESIGN: A retrospective review of tumors presenting to two tertiary care referral institutions since 1970. METHODS: The charts and available imaging of patients with the diagnosis of facial neuroma were reviewed. These patients presented to the House Ear Clinic between 1970 and 1994 and to the University of Utah Medical Center (Salt Lake City, UT) between 1986 and August 2000. We examined anatomical location to determine patterns of tumor presentation and compared the findings before and after the era of magnetic resonance imaging (MRI). RESULTS: All segments of the facial nerve were represented. Overall, multiple-segment tumors were almost twice as common (63.6%) as single-segment tumors (36.4%). Before the advent of MRI, all segments of the nerve from the cerebellopontine angle to the tympanic portion were almost equally represented (29.5%-36.3%). After MRI, the geniculate ganglion (68.2%) and labyrinthine portion (52.3%) were by far the most commonly affected areas. Before MRI, there were, on average, 1.89 segments involved per tumor. After MRI, this average number increased to 2.57 segments per tumor. Radiologically, the high-resolution computed tomography and MRI features cannot be generalized. Rather, the imaging features depend on which segments are involved. This is because of the variation in the surrounding anatomical landscape of the facial nerve in its course through the temporal bone. CONCLUSION: The more sensitive imaging provided by newer radiological techniques has altered our perception of facial neuroma. It has provided us with an increased ability to diagnose and fully evaluate this neoplasm preoperatively, allowing improved patient counseling and surgical planning. |
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Authors:
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T R Kertesz; C Shelton; R H Wiggins; K L Salzman; C M Glastonbury; R Harnsberger |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: The Laryngoscope Volume: 111 ISSN: 0023-852X ISO Abbreviation: Laryngoscope Publication Date: 2001 Jul |
Date Detail:
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Created Date: 2001-09-24 Completed Date: 2001-10-11 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8607378 Medline TA: Laryngoscope Country: United States |
Other Details:
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Languages: eng Pagination: 1250-6 Citation Subset: IM |
Affiliation:
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Department of Otolaryngology, University of Utah Medical School, Salt Lake City, Utah 84132, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Aged Child Cranial Nerve Neoplasms / diagnosis*, radiography Facial Nerve Diseases / diagnosis*, radiography Female Humans Magnetic Resonance Imaging* Male Middle Aged Neuroma / diagnosis*, radiography Retrospective Studies Temporal Bone Tomography, X-Ray Computed* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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