<unk>  is an uncommon thrombophlebitis of the portal vein or any of its branches (i.e. a portal vein thrombosis) that is caused by infection. It is usually a complication of intra-abdominal sepsis, most often following diverticulitis, perforated appendicitis, or peritonitis. Considered uniformly lethal in the pre-antibiotic era, it still carries a mortality of 10-30%.
Pylephlebitis
Appendicitis
Cholecystitis
Peritonitis
Parotitis
Phlebitis
Oophoritis
Cholangitis 