Title: Injury characteristics of the Papez circuit in patients with diffuse axonal injury: a diffusion tensor tractograp
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ORIGINAL ARTICLE
Title: Injury characteristics of the Papez circuit in patients with diffuse axonal injury: a diffusion tensor tractography study Sung Ho Jang1 · You Sung Seo1 Received: 3 April 2020 / Accepted: 26 August 2020 © Belgian Neurological Society 2020
Abstract We investigate the characteristics of injury of four portions of the Papez circuit in patients with diffuse axonal injury (DAI), using diffusion tensor tractography (DTT). Thirty-four consecutive patients with DAI and 30 normal control subjects were recruited. Four portions of the Papez circuit were reconstructed: the fornix, cingulum, thalamocingulate tract, and mammillothalamic tract. Analysis of DTT parameters [fractional anisotropy (FA) and tract volume (TV)] and configuration (narrowing, discontinuation, or non-reconstruction) was performed for each portion of the Papez circuit. The Memory Assessment Scale (MAS) was used for the estimation of cognitive function. In the group analysis, decreased fractional anisotropy and tract volume of the entire Papez circuit were observed in the patient group compared with the control group (p
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