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|Type:||Artigo de periódico|
|Title:||Effects of method and MRI slice thickness on entorhinal cortex volumetry|
|Abstract:||We assessed the effect of the method of analysis and the MRI slice thickness on entorhinal cortex volumetry. A Tl gradient echo 3D volumetric acquisition was reformatted into different slice thickness and analyzed by edge-tracing. We performed two different forms of analysis of images with 3 mm slice thickness: edge-tracing and pixel by pixel. There was difference among the volumes obtained from different slice thickness (p < 0.001), and also difference between the two different methods of analysis (p < 0.05). The use of thick slices is time saving, but volumes are linearly increased; different methods of segmentation also yields different values. The form of volumetric analysis of the entorhinal cortex should be evaluated in advance to prevent false estimates in longitudinal studies.|
|Editor:||Lippincott Williams & Wilkins|
|Citation:||Neuroreport. Lippincott Williams & Wilkins, v. 14, n. 10, n. 1291, n. 1295, 2003.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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