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Open AccessCase Report

Injury of Corticospinal Tract in a Patient with Subarachnoid Hemorrhage as Determined by Diffusion Tensor Tractography: A Case Report

Department of Physical & Rehabilitation Medicine, Inha University School of medicine, Inha University Hospital, Incheon 22332, Korea
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Author to whom correspondence should be addressed.
Brain Sci. 2020, 10(3), 177; https://doi.org/10.3390/brainsci10030177
Received: 15 February 2020 / Revised: 18 March 2020 / Accepted: 18 March 2020 / Published: 19 March 2020
We report diffusion tensor tractography (DTT) of the corticospinal tract (CST) in a patient with paresis of all four limbs following subarachnoid hemorrhage (SAH) with intraventricular hemorrhage (IVH) after the rupture of an anterior communicating artery (ACoA) aneurysm rupture. The 73-year-old female was admitted to our emergency room in a semi-comatose mental state. After coil embolization—an acute SAH treatment—she was transferred to our rehabilitation department with motor weakness development, two weeks after SAH. Upon admission, she was alert but she complained of motor weakness (upper limbs: MRC 3/5, and lower limbs: MRC 1/5). Four weeks after onset, DTT showed that the bilateral CSTs failed to reach the cerebral cortex. The left CST demonstrated a wide spread of fibers within the corona radiata as well as significantly lower tract volume (TV) and higher fractional anisotropy (FA) as well as mean diffusivity (MD) compared to the controls. On the other hand, the right CST shifted to the posterior region at the corona radiata, and MD values of the right CST were significantly higher when compared to the controls. Changes in both CSTs were attributed to vasogenic edema and compression caused by untreated hydrocephalus. We demonstrate in this case, two different pathophysiological entitles, contributing to this patient’s motor weakness after SAH. View Full-Text
Keywords: subarachnoid hemorrhage; ventriculomegaly; diffusion tensor imaging; corticospinal tract subarachnoid hemorrhage; ventriculomegaly; diffusion tensor imaging; corticospinal tract
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Park, C.-H.; Ryu, H.; Kim, C.-H.; Joa, K.-L.; Kim, M.-O.; Jung, H.-Y. Injury of Corticospinal Tract in a Patient with Subarachnoid Hemorrhage as Determined by Diffusion Tensor Tractography: A Case Report. Brain Sci. 2020, 10, 177.

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