Congenital mydriasis associated with megacystis microcolon intestinal hypoperistalsis syndrome

Collin McClelland; Ryan D. Walsh; Kudakwashe R. Chikwava; Mark P. Johnson; Peter Mattei; Grant T. Liu

doi:10.1097/WNO.0b013e31828b7d65

Congenital mydriasis associated with megacystis microcolon intestinal hypoperistalsis syndrome

Collin McClelland, Ryan D. Walsh, Kudakwashe R. Chikwava, Mark P. Johnson, Peter Mattei, Grant T. Liu

Ophthalmology & Visual Neurosciences

Research output: Contribution to journal › Article › peer-review

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Abstract

We report a case of congenital mydriasis in a neonate with megacystis microcolon intestinal hypoperistalsis syndrome (MMIHS). Pilocarpine testing and gastrointestinal pathology in our patient suggest that the mydriasis is due to an underlying smooth muscle myopathy of the iris sphincter muscle. These findings may have important implications regarding the pathogenesis of MMIHS.

Original language	English (US)
Pages (from-to)	271-275
Number of pages	5
Journal	Journal of Neuro-Ophthalmology
Volume	33
Issue number	3
DOIs	https://doi.org/10.1097/WNO.0b013e31828b7d65
State	Published - Sep 2013

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abstract = "We report a case of congenital mydriasis in a neonate with megacystis microcolon intestinal hypoperistalsis syndrome (MMIHS). Pilocarpine testing and gastrointestinal pathology in our patient suggest that the mydriasis is due to an underlying smooth muscle myopathy of the iris sphincter muscle. These findings may have important implications regarding the pathogenesis of MMIHS.",

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AU - McClelland, Collin

AU - Walsh, Ryan D.

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AU - Johnson, Mark P.

AU - Mattei, Peter

AU - Liu, Grant T.

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AB - We report a case of congenital mydriasis in a neonate with megacystis microcolon intestinal hypoperistalsis syndrome (MMIHS). Pilocarpine testing and gastrointestinal pathology in our patient suggest that the mydriasis is due to an underlying smooth muscle myopathy of the iris sphincter muscle. These findings may have important implications regarding the pathogenesis of MMIHS.

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Congenital mydriasis associated with megacystis microcolon intestinal hypoperistalsis syndrome

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