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. 2023 Mar 2;81(2):128–133. doi: 10.1055/s-0042-1758752

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Academia Brasileira de Neurologia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. ( https://creativecommons.org/licenses/by-nc-nd/4.0/ )

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.

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Figure 1. — Brain magnetic resonance imaging (MRI) sagittal T1-weighted image (without contrast administration) (A) shows a hyperintense thrombus in the superior sagittal sinus (arrow), decreased mamillopontine distance (0,3 cm) (brace) and cerebelar tonsilar ectopia (0.5 cm) (CIRCLE). Brain MRI axial T2 weighted (B) image demonstrates collapsed lateral ventricles space (square). Brain MRI venography (C and D) shows a contrast filling defect in the topography of superior sagittal and bilateral transverse sinus suggesting CVT (curve arrows)