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Potential Role of Diffusion Tensor MRI in the Differential Diagnosis of Mild Cognitive Impairment and Alzheimer's Disease

Daniella B. Parente1,2,3, Emerson L. Gasparetto1,2,3, Luiz Celso Hygino da Cruz, Jr.1,2,3, Roberto Cortes Domingues1,2, Ana Célia Baptista3, Antônio Carlos Pires Carvalho3 and Romeu Cortes Domingues1,2,3

1 Clinica de Diagnóstico Por Imagem, Ave. das Américas 4666, sala 32522649-900, Rio de Janeiro, Brazil.
2 Multi-Imagem, Rio de Janeiro, Brazil.
3 Department of Radiology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.


Figure 1
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Fig. 1A 68-year-old woman with mild cognitive impairment. Position of regions of interest. Fractional anisotropy color-coded map shows splenium of corpus callosum (1), right posterior cingulate gyrus (2), and left posterior cingulate gyrus (3).

 

Figure 2
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Fig. 1B 68-year-old woman with mild cognitive impairment. Position of regions of interest. Fractional anisotropy color-coded map shows right superior longitudinal fascicle (1) and left superior longitudinal fascicle (2).

 

Figure 3
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Fig. 1C 68-year-old woman with mild cognitive impairment. Position of regions of interest. Fractional anisotropy color-coded map shows right hippocampus (1) and left hippocampus (2).

 

Figure 4
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Fig. 2A Fractional anisotropy values of controls, patients with possible Alzheimer's disease, patients with probable Alzheimer's disease, and patients with mild cognitive impairment. Graphs show fractional anisotropy in right (A) and left (B) superior longitudinal fascicles, right (C) and left (D) cingulate gyri, right (E) and left (F) hippocampi, and splenium of corpus callosum (G).

 

Figure 5
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Fig. 2B Fractional anisotropy values of controls, patients with possible Alzheimer's disease, patients with probable Alzheimer's disease, and patients with mild cognitive impairment. Graphs show fractional anisotropy in right (A) and left (B) superior longitudinal fascicles, right (C) and left (D) cingulate gyri, right (E) and left (F) hippocampi, and splenium of corpus callosum (G).

 

Figure 6
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Fig. 2C Fractional anisotropy values of controls, patients with possible Alzheimer's disease, patients with probable Alzheimer's disease, and patients with mild cognitive impairment. Graphs show fractional anisotropy in right (A) and left (B) superior longitudinal fascicles, right (C) and left (D) cingulate gyri, right (E) and left (F) hippocampi, and splenium of corpus callosum (G).

 

Figure 7
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Fig. 2D Fractional anisotropy values of controls, patients with possible Alzheimer's disease, patients with probable Alzheimer's disease, and patients with mild cognitive impairment. Graphs show fractional anisotropy in right (A) and left (B) superior longitudinal fascicles, right (C) and left (D) cingulate gyri, right (E) and left (F) hippocampi, and splenium of corpus callosum (G).

 

Figure 8
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Fig. 2E Fractional anisotropy values of controls, patients with possible Alzheimer's disease, patients with probable Alzheimer's disease, and patients with mild cognitive impairment. Graphs show fractional anisotropy in right (A) and left (B) superior longitudinal fascicles, right (C) and left (D) cingulate gyri, right (E) and left (F) hippocampi, and splenium of corpus callosum (G).

 

Figure 9
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Fig. 2F Fractional anisotropy values of controls, patients with possible Alzheimer's disease, patients with probable Alzheimer's disease, and patients with mild cognitive impairment. Graphs show fractional anisotropy in right (A) and left (B) superior longitudinal fascicles, right (C) and left (D) cingulate gyri, right (E) and left (F) hippocampi, and splenium of corpus callosum (G).

 

Figure 10
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Fig. 2G Fractional anisotropy values of controls, patients with possible Alzheimer's disease, patients with probable Alzheimer's disease, and patients with mild cognitive impairment. Graphs show fractional anisotropy in right (A) and left (B) superior longitudinal fascicles, right (C) and left (D) cingulate gyri, right (E) and left (F) hippocampi, and splenium of corpus callosum (G).

 

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