The clinical presentation of Occipital Horn syndrome, a rare X-linked reces
sive condition, in a 2-year-old boy is described. This is the youngest pati
ent reported so far. The major clinical, pathophysiological and molecular a
spects of this condition are summarized. Clin Dysmorphol 8: 179-183 (C) 199
9 Lippincott Williams & Wilkins.