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Bilateral optic nerve colobomas with orbital cysts and choroidal colobomas in heterozygotic twins Kumiko Toshida 1 , Akiko Matsubara 1 , Kyoko Itakura 2 , Kyoko Ohno 2 , Motohiro Kiyosawa 2 , Jun Nawata 3 1Dept of Ophthalmol, Tamananbu Regional Hosp 2Dept of Ophthalmol, Tokyo Med & Dental Univ,Sch of Med 3Dept of Pediatrics, Tamananbu Regional Hosp pp.1495-1499
Published Date 1996/8/15
DOI https://doi.org/10.11477/mf.1410905023
  • Abstract
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A 2-month-old male infant was referred to us because of abnormal ocular motility. He wasdiagnosed as bilateral optic nerve colobomas with orbital cysts. Retinal detachment was also present in theright eye. Magnetic resonance imaging showed bilateral orbital cysts attached to the eyeballs. The cystsshowed clear margins with lobulated walls. The signal intensity was similar to that of the vitreous. Hisheterozygotic twin sister showed bilateral small choroidal colobomas. These abnormalities were interpretedas the result of imperfect closure of embryonic fissure of possible hereditary nature.


Copyright © 1996, 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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