Chiari Malformation with Syringomyelia

Yiping Li and Bermans J. Iskandar

in Pediatric Neurosurgery

Published on behalf of Oxford University Press

Published in print January 2019 | ISBN: 9780190617073
Published online January 2019 | e-ISBN: 9780190617103 | DOI:

Series: Neurosurgery by Example

Chiari Malformation with Syringomyelia

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Chiari I malformation (CIM) is defined by pathological herniation of the cerebellar tonsils below the foramen magnum. Operative intervention for CIM is generally undertaken to treat neurological deficits associated with tonsillar herniation or with associated syringomyelia. A complete brain and spine MRI is indicated to rule out associated abnormalities and to identify and the presence and extent of syringomyelia. The type of surgical decompression remains controversial but may include bone-only decompression, bony decompression followed by duraplasty, and bony decompression followed by duraplasty and tonsillar shrinkage. Post-operative monitoring for CSF leakage, inadequate decompression, subtle chronic craniocervical instability, and hydrocephalus is critical.

Chapter.  3384 words. 

Subjects: Paediatrics ; Neurosurgery

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