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Imaging in paroxysmal autonomic instability with dystonia after severe traumatic brain injury

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Imaging in a 52-year-old man with paroxysmal autonomic instability with dystonia after severe traumatic brain injury. (A, B) Cranial CT scan showing an extensive left parietal craniotomy, trepanation in the right coronal suture, and an external ventricular drain placed in the frontal horn of the right lateral ventricle. Multiple skullcap fractures with misalignment, mainly in the right parietal region. High convexity biparietal hypodense lesions with extension to the frontal lobes and adjacent deep white matter with compensatory lateral ventricle enlargement. (C) Axial T2-weighted MRI and (D) coronal T2-weighted brain MRI showing diffuse brain lesions involving the white matter and cortex, particularly in the posterior lobes, related to the previous cranial trauma (white arrows). (From: Cardoso Vale T, Echenique L, Barsottini OG, Pedroso JL. Paroxysmal autonomic instability with dystonia after severe traumatic brain injury. Tremor Other Hyperkinet Mov [NY] 2020;10:12. Creative Commons Attribution 4.0 International [CC BY 4.0] license, creativecommons.org/licenses/by/4.0.)