Progression of Pre-existing Chiari Type I Malformation Secondary to Cerebellar Hemorrhage  -Case Report-

Kojima, Atsuhiro; Mayanagi, Keita; Okui, S

doi:10.2176/nmc.49.90

Cited by 8 publications

(4 citation statements)

References 11 publications

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“…Type I malformation consists of tonsilar herniation of at least 3-5 mm. 7,8 Type II malformation is often associated with a lumbar meningiocoele leading to partial or complete paralysis below the spinal defect. Typically diagnosis of type II is at birth or prenatally.…”

Section: Discussionmentioning

confidence: 99%

Diplopia and Visual Impairment as Presenting Symptoms of Shunt Failure in Association with Tonsillar Herniation in Idiopathic Intracranial Hypertension

Rowe

2012

Strabismus

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Two cases of cerebellar tonsilar herniation due to shunt complications in idiopathic intracranial hypertension are reported in which both patients presented with visual symptoms. One patient had horizontal diplopia due to an acute sixth nerve palsy along with severe constriction of visual fields while the second patient had symptoms of blurred vision. Both patients required neurosurgery, one patient requiring surgery for tonsillar descent and revision of an over-draining lumbar peritoneal shunt and the second patient only requiring revision of his over-draining lumbar peritoneal shunt. Following surgery the visual signs of reduced vision, cranial nerve palsy, and visual field loss gradually resolved. Both patients had normal ocular movements and visual fields at final follow-up.

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Section: Discussionmentioning

confidence: 99%

Diplopia and Visual Impairment as Presenting Symptoms of Shunt Failure in Association with Tonsillar Herniation in Idiopathic Intracranial Hypertension

Rowe

2012

Strabismus

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“…In the last decade stem cell biology has developed into a major focus of neuroscience research, and mesenchymal stem cells (MSCs) have been used in experimental therapies in many CNS disorders, including spinal cord injury [61,91,106,[134][135][136][137][138][139]146]. In the last decade stem cell biology has developed into a major focus of neuroscience research, and mesenchymal stem cells (MSCs) have been used in experimental therapies in many CNS disorders, including spinal cord injury [61,91,106,[134][135][136][137][138][139]146].…”

Section: Bone Marrow Stem Cellsmentioning

confidence: 99%

“…The postulated effect of raised intracranial pressure is the downward displacement of the tonsils as consequence of intratentorial or even large supratentorial masses [136,146,172,183]. The resulting tonsillar prolapse is usually less than 5 (or even less than 3 mm), it is observed in a minority of the cases and is reversible in most of them, so that it is considered as a ''pseudo-Chiari'' malformation rather than a ''true'' CIM (Fig.…”

Section: Raised Intracranial Pressurementioning

confidence: 99%

“…As demonstrated, the most exemplary condition is Chiari-like tonsillar descent resulting from an intracranial expansive lesion [136,146,172,183] which regresses after its surgical removal. As demonstrated, the most exemplary condition is Chiari-like tonsillar descent resulting from an intracranial expansive lesion [136,146,172,183] which regresses after its surgical removal.…”

Section: Non-idiopathic Cimmentioning

confidence: 99%

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Advances and Technical Standards in Neurosurgery

2011

Advances and Technical Standards in Neurosurgery

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Chiari type I malformation in children

Massimi

Novegno

Rocco

2011

Advances and Technical Standards in Neurosurgery

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The diagnosis of Chiari type I malformation (CIM) is more and more frequent in clinical practice due to the wide diffusion of magnetic resonance imaging. In many cases, such a diagnosis is made incidentally in asymptomatic patients, as including children investigated for different reasons such as mental development delay or sequelae of brain injury. The large number of affected patients, the presence of asymptomatic subjects, the uncertainties surrounding the pathogenesis of the malformation, and the different options for its surgical treatment make the management of CIM particularly controversial.This paper reports on the state of the art and the recent achievements about CIM aiming at providing further information especially on the pathogenesis, the natural history, and the management of the malformation, which are the most controversial aspects. A historial review introduces and explains the current classification. Furthermore, the main clinical, radiological, and neurophysiological findings of CIM are described to complete the picture of this heterogeneous and complex disease.

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Progression of Pre-existing Chiari Type I Malformation Secondary to Cerebellar Hemorrhage -Case Report-

Cited by 8 publications

References 11 publications

Diplopia and Visual Impairment as Presenting Symptoms of Shunt Failure in Association with Tonsillar Herniation in Idiopathic Intracranial Hypertension

Diplopia and Visual Impairment as Presenting Symptoms of Shunt Failure in Association with Tonsillar Herniation in Idiopathic Intracranial Hypertension

Advances and Technical Standards in Neurosurgery

Chiari type I malformation in children

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