[Pancreatic pseudocyst of head: compressing of vena cava inferior with lethal embolism of pulmonary artery (author's transl)].

As rare complication of post-pancreatitic pseudocyst in a 43-year-old patient, an obstruction of large vessels, situated retroperitoneally, is described. The partial thrombosis lead to a recurrent embolism of pulmonary artery with terminal right cardiac failure.