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Schematic diagram of a cross-section of the lower pons showing the area involved in the Defoville (Foville) syndrome

The diagram was drawn by Dr. Nathan Beucler. (Source: Beucler N, Boissonneau S, Ruf A, Fuentes S, Carron R, Dufour H. Crossed brainstem syndrome revealing bleeding brainstem cavernous malformation: an illustrative case. BMC Neurol 2021;21[1]:204. Creative Commons Attribution 4.0 International [CC BY 4.0] license, creativecommons.org/licenses/by/4.0.)

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