| Spontaneous resolution of acquired tonsillar herniation caused by isolated cerebellar tonsil inflammation: case report. | |
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MedLine Citation:
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PMID: 15854268 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE AND IMPORTANCE: Chiari I malformation is a well-known disease involving caudal descent of the cerebellar tonsils and is generally considered to be a congenital condition. Acquired Chiari I malformations as a result of various causes are well described. An unusual case is reported in which regression of an acquired Chiari I malformation caused by isolated cerebellar tonsil inflammation in a patient with infectious mononucleosis was observed after conservative treatment. This supports the view that the cause of tonsillar herniation should be considered as an important factor in patient selection for surgical decompression. CLINICAL PRESENTATION: A 6-year-old boy presented with a 1-week history of progressive occipital headache, neck pain, and dysequilibrium. A neurological examination revealed hyperreflexia in all extremities; he also had a fever, pharyngitis, and cervical adenopathy. A magnetic resonance imaging study demonstrated isolated right cerebellar tonsil enhancement and herniation into the foramen magnum. Further laboratory findings disclosed Epstein-Barr virus infection. INTERVENTION: The patient underwent conservative treatment for systemic illness, and he was asymptomatic after 3 weeks. A follow-up magnetic resonance imaging study obtained 2 months after discharge demonstrated resolution of the tonsillar herniation. CONCLUSION: Because the patient presented with infectious mononucleosis and cerebellar tonsillar herniation, direct treatment of decompression was considered unnecessary. Thus, caution in patient selection for surgical treatment is suggested in such unique cases. |
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Authors:
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Ghaffar Shokouhi; Behrooz Naghili |
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Publication Detail:
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Type: Case Reports; Journal Article |
Journal Detail:
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Title: Neurosurgery Volume: 56 ISSN: 1524-4040 ISO Abbreviation: Neurosurgery Publication Date: 2005 May |
Date Detail:
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Created Date: 2005-04-27 Completed Date: 2006-05-04 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7802914 Medline TA: Neurosurgery Country: United States |
Other Details:
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Languages: eng Pagination: E1158; discussion E1158 Citation Subset: IM |
Affiliation:
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Department of Neurosurgery, Tabriz University of Medical Sciences, Tabriz, Iran. shokouhigh@yahoo.com |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Antiviral Agents
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therapeutic use Cerebellar Diseases / complications*, diagnosis Child Epstein-Barr Virus Infections / drug therapy Hernia / etiology* Humans Inflammation Magnetic Resonance Imaging Middle Aged Tonsillitis / etiology*, physiopathology |
| Chemical | |
Reg. No./Substance:
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0/Antiviral Agents |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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