The sonographic findings of Möbius syndrome with brain stem calcification are presented. Prenatal and neonatal sonography disclosed characteristic hyperechoic dots or linear bands in the brain stem representing calcification, which suggests prenatal ischemic insult to the brain stem.
Department of Diagnostic Radiology, Asan Medical Center, University of Ulsan College of Medicine, 388-1 Poongnap-dong, Songpa-ku, Seoul 138-040, Korea.