“…The primary inflammatory diseases can be acute appendicitis, diverticulitis, Crohn disease, pancreatitis, cholecystitis, intraabdominal infection, and intrapelvic infection. 1 Blood cultures could be positive in nearly 80% of the patients, and Bacteroides fragilis , E coli , Proteus mirabilis , Clostridium species , Klebsiella , Pneumococcus , Aerobacter , and Streptococcus have been reported as causative microorganisms. 1 – 3 The incidence of pylephlebitis complicating appendicitis has become less since the advent of modern antibiotic therapy and aggressive surgical treatment of appendicitis.…”