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Acquired Segmental Iris Dilator Muscle Synkinesis Due to Deglutition
Arch Ophthalmol. 1998;116:248-249.
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| Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings. |
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Congenital ocular "misdirection dyskinesis" typically involves multiple cranial nerves. Acquired peripheral misdirection usually occurs in the same nerve; less frequently, more than one nerve are involved. We describe an unusual synkinesis of the iris dilator muscle due to deglutition, presumably caused by posttraumatic aberrant outgrowth of vagal nerve fibers to the cervical sympathetic chain.
Report of a Case
We describe an unusual synkinesis in a 10-year-old boy. On the sixth day of life a neuroblastoma was removed from the right side of his neck. A right-sided Horner syndrome and paresis of the recurrent laryngeal nerve occurred postoperatively, as well as a flacidity of the right soft palate, a deviation of the tongue to the right side, and an atony of the esophagus and the stomach that regressed within 2 weeks. When the child was 2 years old, the parents recognized that his right pupil became distorted when he was drinking and afterward regained its . . . [Full Text of this Article] Comment
Brigitte I. Boehme, MD;
Michael H. Graef, MD
Giessen Germany
Reprints: Michael H. Graef, MD, University of Giessen, Department of Strabismology and Neuroophthalmology, Friedrichstrasse 18, D-35385 Giessen, Germany.
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