What are 10 causes of pneumatosis?

1. Necrotizing enterocolitis (usually in neonates)
2. CF
3. Vascular injury
4. Sepsis
5. Hirschsprung’s disease (with enterocolitis)
6. Toxic megacolon
7. Collagen vascular disease
8. Steroid therapy
9. Typhlitis, neutropenic colitis
10.Obstruction