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Intravestibular Lipoma

Intravestibular Lipoma CLINICAL NOTE An Important Imaging Diagnosis Meike W. Vernooij, MD; M. Arfan Ikram, MD; Arnaud J. P. E. Vincent, MD, PhD; Monique M. B. Breteler, MD, PhD; Aad van der Lugt, MD, PhD ipomas constitute 0.1% of all intracranial tumors. Very rarely they are located in the cerebellopontine angle (CPA) or the internal auditory canal, and even less frequently 2-4 they have been described in an intravestibular location. These lipomas should not be L treated surgically because their adherence to nerves and surrounding brain structures often leads to neurological deficits when surgical removal of the lesion is attempted. Therefore, it is important to distinguish inner ear and CPA lipomas from more common tumors in the cerebel- lopontine region, such as acoustic neuromas, which are often treated surgically. Thus, noninva- sive diagnosis by radiological imaging is crucial. We report herein a case of intravestibular lipoma that is associated with CPA lipoma and cystic cochleovestibular malformation (incomplete parti- tion type 1) of the inner ear. Diagnostic magnetic resonance imaging (MRI) and computed tomo- graphic (CT) characteristics of lipomas are discussed in detail. Furthermore, this unique combi- nation of intravestibular lipoma with cystic cochleovestibular malformation provides more understanding of the pathophysiologic characteristics http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png JAMA Otolaryngology - Head & Neck Surgery American Medical Association

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Publisher
American Medical Association
Copyright
Copyright 2008 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
ISSN
2168-6181
eISSN
2168-619X
DOI
10.1001/archotol.134.11.1225
pmid
19015456
Publisher site
See Article on Publisher Site

Abstract

CLINICAL NOTE An Important Imaging Diagnosis Meike W. Vernooij, MD; M. Arfan Ikram, MD; Arnaud J. P. E. Vincent, MD, PhD; Monique M. B. Breteler, MD, PhD; Aad van der Lugt, MD, PhD ipomas constitute 0.1% of all intracranial tumors. Very rarely they are located in the cerebellopontine angle (CPA) or the internal auditory canal, and even less frequently 2-4 they have been described in an intravestibular location. These lipomas should not be L treated surgically because their adherence to nerves and surrounding brain structures often leads to neurological deficits when surgical removal of the lesion is attempted. Therefore, it is important to distinguish inner ear and CPA lipomas from more common tumors in the cerebel- lopontine region, such as acoustic neuromas, which are often treated surgically. Thus, noninva- sive diagnosis by radiological imaging is crucial. We report herein a case of intravestibular lipoma that is associated with CPA lipoma and cystic cochleovestibular malformation (incomplete parti- tion type 1) of the inner ear. Diagnostic magnetic resonance imaging (MRI) and computed tomo- graphic (CT) characteristics of lipomas are discussed in detail. Furthermore, this unique combi- nation of intravestibular lipoma with cystic cochleovestibular malformation provides more understanding of the pathophysiologic characteristics

Journal

JAMA Otolaryngology - Head & Neck SurgeryAmerican Medical Association

Published: Nov 1, 2008

References