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Bilateral ptosis and supranuclear downgaze paralysisDOI: 10.1590/S0004-282X2007000600017 Keywords: midbrain, rostral intersticial medial longitudinal fasciculus nucleus, downgaze paralysis, eyelid ptosis, tumor. Abstract: the purpose of this article is to highlight an uncommon combination of supranuclear downward gaze paralysis with bilateral eyelid ptosis in a 53-years-old man with a radiation induced midbrain tumor and to discuss the aspects regarding the centers and pathways that mediate supranuclear vertical gaze movements.
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