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|Title:||3-d Simulation Of Posterior Fossa Reduction In Chiari I|
|Title Alternative:||Simulação Em 3d Da Redução Da Fossa Posterior No Chiari Do Tipo I|
Da Silva J.V.L.
|Abstract:||We proposed a 3D model to evaluate the role of platybasia and clivus length in the development of Chiari I (CI). Using a computer aided design software, two DICOM files of a normal CT scan and MR were used to simulate different clivus lengths (CL) and also different basal angles (BA). The final posterior fossa volume (PFV) was obtained for each variation and the percentage of the volumetric change was acquired with the same method. The initial normal values of CL and BA were 35.65 mm and 112.66° respectively, with a total PFV of 209 ml. Ranging the CL from 34.65 to 29.65-24.65-19.65, there was a PFV decrease of 0.47%-1.12%-1.69%, respectively. Ranging the BA from 122.66° to 127.66°-142.66°, the PFV decreased 0.69%-3.23%, respectively. Our model highlights the importance of the basal angle and clivus length to the development of CI. © 2016, Associacao Arquivos de Neuro-Psiquiatria. All rights reserved.|
|Subject:||3d Computational Model|
|Editor:||Associacao Arquivos de Neuro-Psiquiatria|
|Citation:||Arquivos De Neuro-psiquiatria. Associacao Arquivos De Neuro-psiquiatria, v. 74, n. 5, p. 405 - 408, 2016.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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