Publication:
Statistical shape analysis of cerebellum in patients with chiari malformation I

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Date

2019-09-01

Authors

Ocakoğlu, Gökhan
Baykal, Duygu
Altunyuva, Oğuz
Taşkapılıoğlu, Mevlüt Özgür
Yılmazlar, Selçuk

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Lippincott

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Abstract

The surgical procedure is viewed as a typical treatment choice for patients with Chiari malformation (CM). Decompression is the preferred method for surgery, but it is not always possible to understand whether decompression has been successful especially in an early period. The present study focuses on investigating the shape differences in the cerebellums of Chiari patients compared with healthy controls, and to assess the clinical application of this situation whether if present. The MRI scans were reviewed retrospectively. Cerebellar data were obtained from the digital images and 9 anthropometric landmarks were marked on each image. Shape difference was assessed by performing Generalized Procrustes analysis. The cerebellar shape deformation from control to the patient was evaluated performing the Thin Plate Spline approach. There is a statistically significant cerebellar shape difference between groups. Highest deformation was determined at the cerebellar tonsillar inferior area, posterior of the uvula, and anterior of inferior medullary velum. The present study demonstrated cerebellar shape differences in CM I patients using a landmark-based geometric morphometric approach, considering the topographic distribution of cerebellum for the first time.

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Keywords

Syringomyelia, Cerebellum, Chiari malformation, Decompression, Statistical shape analysis, Science & technology, Life sciences & biomedicine, Surgery

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