Morphometric Analysis of Predictors of Cervical Syrinx Formation in the Setting of Chiari I Malformation.
2016
Background/Aims: We performed a morphometric analysis of Chiari I malformations to look for predictors of cervical syrinx formation. Methods: Eighteen patients with Chiari I malformation and associated cervical syrinx and 16 patients with Chiari I malformation without associated cervical syrinx were included in the study. Chiari I size was obtained from the radiology report; foramen magnum diameter, cerebellar volume, posterior fossa volume and intracranial volume were calculated using OsiriX software, and average measurements were compared between the two groups. Results and Conclusion: Patients with Chiari I with syrinx had an average tonsillar descent of 13.03 ± 5.31 mm compared to 9.25 ± 3.31 mm in the Chiari I without syrinx group (p
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