Moebius syndrome: report of case.

This is a review of diagnosis, etiology and abnormalities of Moebius syndrome. The Moebius syndrome is rare and the cause is still unclear. It presents a case of a premature newborn baby with Moebius syndrome, showing unilateral facial nerve palsy, asymmetry of facial expression, inability to tightly close the right eyelids, asymmetry of the angles of the mouth with frequent drooling, poor sucking ability, dysphagia, extremity abnormalities and other cranial nerve involvement (VIII, IX, X, XI). He also had hypoplasia of the pons, a heart defect, and bilateral cryptorchism. The baby died of apnea on the 41st day after birth.