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Congenital Cranial Dysinnervation Disorder: An Unusual Phenotype With Multiple Cranial Neuropathies and Novel
Michael S Salman1, Conor Mulholland, Jens Wrogemann
1Section of Pediatric Neurology (MSS, SEM), Children's Hospital; Department of Pediatrics and Child Health, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada; Section of Pediatric Ophthalmology (CM), Children's Hospital; Department of Ophthalmology, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada; Section of Pediatric Radiology (JW), Children's Hospital; Department of Radiology, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada.
Abstract:
Congenital cranial dysinnervation disorders result from a maldevelopment of brainstem nuclei and/or cranial nerves. In some cases, specific genetic abnormalities have been identified. We expand the clinical phenotype of these disorders with the report of a 28-month-old girl who was initially evaluated for seizures and was found to have right sixth nerve palsy, small optic discs with reduced vision in her right eye. Her development was delayed. Brain MRI showed multiple abnormalities involving other cranial nerves, the optic chiasm and brainstem. Her developmental delay and seizure disorder suggest additional cortical involvement.
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