Necrotizing enterocolitis occurring in an infant three months of age.

Necrotizing enterocolitis (NEC) is usually described as occurring in newborn premature of low-birth-weight infants who have been stressed by hypoxia, exchange transfusion, or severe sepsis. It occasionally occurs in full term neonates. The age of onset is between day 1 and day 35. This communication describes the occurrence and course of NEC in a 3 mo old infant with a short intestine.