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Morphometric measurements of the thalamus and interthalamic adhesion by MR imaging

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Author(s): Sen F | Ulubay H | Ozeksi P | Sargon MF | Tascioglu AB

Journal: Neuroanatomy
ISSN 1303-1783

Volume: 4;
Issue: 1;
Start page: 10;
Date: 2005;
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Keywords: thalamus | interthalamic adhesion | morphometry | MRI

ABSTRACT
In this study, the morphometric measurements of the interthalamic adhesion and thalamus using MRI with regard to age and sex was assessed. Additionally, the incidence of the absence of the interthalamic adhesion was analysed. 161 patients (100 females and 61 males) without neuropathological changes and symptoms were included in this study. In the 60 and above age group, the transverse length of the interthalamic adhesion was measured as longest, while the vertical length was measured as the shortest. The anteroposterior and vertical lengths decreased gradually correlated with ageing, but the decrease in the anteroposterior length was not found related to the changes in thalamus sizes. No connection was found between the age groups and transverse, vertical and anteroposterior lengths of the thalamus. In the examination of the mean values of thalamus size with regard to age groups, the vertical length of thalamus was found to be shortest in the 60 and over years group. When investigating the mean values of the interthalamic adhesion size with regard to sex, the transverse length was found longer in males than in females. The vertical and anteroposterior lengths, however, were longer in females. When the mean values of the sizes of the thalami were evaluated according to sex, it was found that the transverse length was longer in males. The vertical and anteroposterior lengths were similar in both sexes. Additionally, the interthalamic adhesion was absent in 14 patients.

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