Simpson-Golabi-Behmel syndrome with severe cardiac arrhythmias.

We report on a family with 2 affected males with the X-linked Simpson-Golabi-Behmel (SGB) syndrome. The propositus was a 33-year-old man with pre- and postnatal overgrowth, "coarse" face with hypertelorism, broad nose, wide mouth, malposition of teeth, submucous cleft, accessory nipples, broad hands... View More