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| Figure showing the areas needed to calculate the MTAi: (A-B) x10 / C A: the medial temporal lobe region B: the parenchima within the medial temporal region, that includes the hippocampus and the parahippocampal girus C: the body of the ipsilateral lateral ventricle |
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| Example of the Medial Temporal Atrophy index (MTAi) in a patient with mild AD. A. The coronal TIR MRI at the interpeduncular fosa is taken. B. Areas traced according to Figure 1. The data needed to compute the index are underlined in colors as in the previous figure. Note how the right MTAi is clearly higher than the left MTAi in this patient. |
