Abbreviation:<unk> 
Intestinal<unk> rosis in previously well infant
Typically presents in 1st week of life, with case reports to 6 months in children that are chronically ill.
Predominantly affects preemies; 10-15% occurs in full-term patients
Bacterial overgrowth in bowel, translocation of bacteria into bowel wall, subsequent bacterial endotoxin and gas production
Necrotizing enterocolitis
Emergent
Neutropenic enterocolitis 
Necrotizing Enterocolitis
Food protein-induced enterocolitis syndrome
Volvulus
Intussusception
Testicular torsion