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Atypical Cerebellar Slump Syndrome and External Hydrocephalus following Craniocervical Decompression for Chiari I Malformation: Case Report
Symptomatic cerebellar slump (CS) and external hydrocephalus (EH) are amongst the rarer complications of foramen magnum decompression (FMD) for Chiari I malformation (CM). CS typically presents with delayed onset headache related to dural traction or with neurological deficit offsetting the benefit...
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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The Japan Neurosurgical Society
2014
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4533469/ https://www.ncbi.nlm.nih.gov/pubmed/24257499 http://dx.doi.org/10.2176/nmc.cr.2013-0066 |
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author | THAKAR, Sumit DADLANI, Ravi TAWARI, Manish HEGDE, Alangar S |
author_facet | THAKAR, Sumit DADLANI, Ravi TAWARI, Manish HEGDE, Alangar S |
author_sort | THAKAR, Sumit |
collection | PubMed |
description | Symptomatic cerebellar slump (CS) and external hydrocephalus (EH) are amongst the rarer complications of foramen magnum decompression (FMD) for Chiari I malformation (CM). CS typically presents with delayed onset headache related to dural traction or with neurological deficit offsetting the benefit of FMD. EH, consisting of ventriculomegaly along with subdural fluid collection(s) (SFCs), has been related to cerebrospinal fluid egress from a tiny breach in an otherwise intact arachnoid. We describe the case of a 21-year-old man with CM and syringomyelia who presented with impaired gag, spastic quadriparesis, and raised intracranial pressure 1 week following an uneventful FMD during which the arachnoid had been widely fenestrated. Magnetic resonance imaging (MRI) showed an infratentorial SFC, dilated aqueduct and triventriculomegaly, features of CS, and a residual but resolving syrinx. His symptoms resolved following a high pressure ventriculo-peritoneal shunt. At a 6-month follow-up visit, he was asymptomatic and demonstrated partial resolution of the syrinx, with no recurrence of the SFC. The unusual features in the clinical course of this patient were an atypical CS syndrome presenting with concomitantly resolving syringomyelia, and the development of EH after a wide arachnoidal fenestration. This is the first case in indexed literature describing such a combination of unusual postoperative complications of a FMD. A hypothesis is presented to explain the clinico-radiological findings of the case. |
format | Online Article Text |
id | pubmed-4533469 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2014 |
publisher | The Japan Neurosurgical Society |
record_format | MEDLINE/PubMed |
spelling | pubmed-45334692015-11-05 Atypical Cerebellar Slump Syndrome and External Hydrocephalus following Craniocervical Decompression for Chiari I Malformation: Case Report THAKAR, Sumit DADLANI, Ravi TAWARI, Manish HEGDE, Alangar S Neurol Med Chir (Tokyo) Case Report Symptomatic cerebellar slump (CS) and external hydrocephalus (EH) are amongst the rarer complications of foramen magnum decompression (FMD) for Chiari I malformation (CM). CS typically presents with delayed onset headache related to dural traction or with neurological deficit offsetting the benefit of FMD. EH, consisting of ventriculomegaly along with subdural fluid collection(s) (SFCs), has been related to cerebrospinal fluid egress from a tiny breach in an otherwise intact arachnoid. We describe the case of a 21-year-old man with CM and syringomyelia who presented with impaired gag, spastic quadriparesis, and raised intracranial pressure 1 week following an uneventful FMD during which the arachnoid had been widely fenestrated. Magnetic resonance imaging (MRI) showed an infratentorial SFC, dilated aqueduct and triventriculomegaly, features of CS, and a residual but resolving syrinx. His symptoms resolved following a high pressure ventriculo-peritoneal shunt. At a 6-month follow-up visit, he was asymptomatic and demonstrated partial resolution of the syrinx, with no recurrence of the SFC. The unusual features in the clinical course of this patient were an atypical CS syndrome presenting with concomitantly resolving syringomyelia, and the development of EH after a wide arachnoidal fenestration. This is the first case in indexed literature describing such a combination of unusual postoperative complications of a FMD. A hypothesis is presented to explain the clinico-radiological findings of the case. The Japan Neurosurgical Society 2014-07 2013-11-20 /pmc/articles/PMC4533469/ /pubmed/24257499 http://dx.doi.org/10.2176/nmc.cr.2013-0066 Text en © 2014 The Japan Neurosurgical Society This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/ |
spellingShingle | Case Report THAKAR, Sumit DADLANI, Ravi TAWARI, Manish HEGDE, Alangar S Atypical Cerebellar Slump Syndrome and External Hydrocephalus following Craniocervical Decompression for Chiari I Malformation: Case Report |
title | Atypical Cerebellar Slump Syndrome and External Hydrocephalus following Craniocervical Decompression for Chiari I Malformation: Case Report |
title_full | Atypical Cerebellar Slump Syndrome and External Hydrocephalus following Craniocervical Decompression for Chiari I Malformation: Case Report |
title_fullStr | Atypical Cerebellar Slump Syndrome and External Hydrocephalus following Craniocervical Decompression for Chiari I Malformation: Case Report |
title_full_unstemmed | Atypical Cerebellar Slump Syndrome and External Hydrocephalus following Craniocervical Decompression for Chiari I Malformation: Case Report |
title_short | Atypical Cerebellar Slump Syndrome and External Hydrocephalus following Craniocervical Decompression for Chiari I Malformation: Case Report |
title_sort | atypical cerebellar slump syndrome and external hydrocephalus following craniocervical decompression for chiari i malformation: case report |
topic | Case Report |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4533469/ https://www.ncbi.nlm.nih.gov/pubmed/24257499 http://dx.doi.org/10.2176/nmc.cr.2013-0066 |
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