Mobius syndrome and limb abnormalities.
Most ophthalmologists are aware of the cranial nerve dysfunctions that have been associated with the facial diplegias of Mobius syndrome. However, many are not aware of the combined limb deficiencies and cranial nerve dysfunctions. Limb malformations have been associated with a spectrum of oral facial anomalies consisting of micrognathia, hypoglossia, microstomia, hypodontia, oral bands, and dysarthria. It has been suggested that the differences which exists between these entities may in fact represent a common etiology. The variability may be related to an intrauterine insult at slightly different times. The oral-facial anomalies associated with absence of limbs or of limb anomalies suggests a correlation between the limbs and the first visceral arch possibly within the second month of gestation.[1]References
- Mobius syndrome and limb abnormalities. Rogers, G.L., Hatch, G.F., Gray, I. J. Pediatr. Ophthalmol. (1977) [Pubmed]
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