Clostridial Necrotizing Enteritis (Enteritis Necroticans; Pigbel; Darmbrand) By Larry M Bush, MD, FACP, Charles E Schmidt College of Medicine, Florida Atlantic University; Maria T Vazquez-Pertejo, MD, FACP, Wellington Regional Medical Center Reviewed / Revised Jun 2023 View Patient Education Clostridial necrotizing enteritis is necrosis of the jejunum and ileum caused by Clostridium perfringens.