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THE MEDIAL LONGITUDINAL FASCICULUS SYNDROME, MLF SYNDROME, WITH HEMIPLEGIA ALTERNANS INFERIOR Jiro Hozawa 1 pp.179-186
Published Date 1970/3/20
DOI https://doi.org/10.11477/mf.1492207430
  • Abstract
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 Two cases of hemiplegia alternans inferior with marked signs of pontine disturbances accompanied by peculiar eye movements are described.

 Case 1. A male, aged 46. Both eyes showed oscillating vertical nystagmus and the patient complained of oscillopsia. Adduction was bilaterally affected on attempted gaze to the side. But convergence was preserved. There was incomplete paralysis of horizontal gaze to the left and right. The vestibular nystagmus was lost; optokinetic nystagmus was evoked with difficulty, showing only inversion phenomenon.

 Case 2. A male, aged 63. There was complete paralysis of horizontal gaze to the right. On gazing to the left no adduction of the right eye occured, but the left eye was fully abducted, with simultaneous coarse nystagmus towards the left. And the right eye showed clockwise rotary nystagmus. Vestibular and optokinetic nystagmus failed to be elicited towards the right.

 The authors believe that these peculiar eye movements are most likely connected to some disturbance occurring in the region of fasciculus longitudinalis medialis and the paramedian zone of the pontine reticular formation.


Copyright © 1970, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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