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Clinical characteristics of congenital superior oblique palsy with muscle belly atrophy Takashi Yamane 1 , Hiroshi Ohtsuki 1 , Satoshi Hasebe 1 , Reika Kono 1 , Akiyo Horikawa 1 , Yoshie Hirai 1 , Kaoru Kobayashi 2 1Dept of Ophthalmol, Okayama Univ Med Sch 2Dept of Ophthalmol, Nakacho Red Cross Hosp pp.805-808
Published Date 2001/5/15
DOI https://doi.org/10.11477/mf.1410907310
  • Abstract
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We evaluated 29 cases of unilaterally affected congenital superior oblique palsy. Magnetic resonance imagingshowed attenuated muscle belly in 11 eyes (38%). Vertical deviation during head tilting was significantly larger in these 11 eyes than in the rest without muscle belly atrophy. Vertical deviation in the primary position tended to be larger in the 11 eyes than the rest. No difference was present in the amount of cyclodeviation between the two groups. V-pattern wasmore frequent in the non-atrophied group than in the atrophied group. Greater vertical deviation during head tilting inthe atrophied eyes seemed to result from restricted downward torque of the superior oblique muscle and from increasedcompensatory upward torque of ipsilateral superior rectus muscle. The findings show that it is possible to assess themorphological abnormality of the superior oblique muscle from clinical findings.


Copyright © 2001, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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