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KMID : 0360220100510071036
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Journal of the Korean Ophthalmological Society
2010 Volume.51 No. 7 p.1036 ~ p.1038
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A Case of Hydranencephaly With Exotropia
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Park Chae-rin
Hwang Jeong-Min
Kim Nam-Ju
Choi Byung-Se
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Abstract
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Purpose: To report a large-angle exotropia, limited adduction, epiblepharon, high myopia and no pupillary light reflex in a patient with hydranencephaly.
Case summary: A ten-year-old girl with mental retardation presented with exotropia. The patient could fix only with the right eye and was unable to follow with either eye. The Krimsky test revealed 95 prism diopters of exotropia, and adduction was severely limited in both eyes. Pupillary light reflex was absent in both eyes. Cycloplegic refraction showed high myopia in both eyes. Slit lamp examination revealed lower lid epiblepharon and inferior corneal opacity in the right eye. No abnormal findings in the fundus examination were detected. A computed tomogram of the brain showed that the cerebral hemispheres were replaced by a cystic space filled with cerebrospinal fluid, compatible with hydranencephaly. Recession of the lateral rectus muscle and resection of the medial rectus muscle with epiblepharon repair of the lower lid were performed in both eyes. One week postoperatively, the epiblepharon was corrected, and the Krimsky test showed 16 prism diopters of left intermittent exotropia at near.
Conclusions: When a combined manifestation of mental retardation, limited adduction, no pupillary light reflex and a large-angle exotropia is present, the possibility of a congenital developmental anomaly of the central nervous system including hydranencephaly should be suspected.
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KEYWORD
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Exotropia, Hydranencephaly
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