Answers are grounded in this paper and cite their sources.
Diagnosed with Moebius-Poland syndrome shortly after birth this middle-aged man had a partially developed right-hand and pectoral dysplasia (fig 1). In addition there was a lack of facial expression. Neurological examination revealed bilateral facial and abducens nerve palsies (fig 2) and fasciculation of the tongue suggesting involvement of cranial nerves XI and XII.
No takes yet. Share an insight, caveat, or question.
Dubrey et al. (2009) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: