Pancreatic pseudocyst is one of the most common compications of pancreatitis or pancreatic injury. It can occur at any site in ted abdomen but rarely in the liver. The ultrasound and computed tomography are invaluable imaging techniques for the detection of a pseudocyst We have recently experienced an uncommon case of pseudocyst in 54-year-old man, who had complained of severe epigastric pain and fever. The pseudocyst in the left hepatic lobe was diagnosed by abdominal sonography and computed tomography with clinical and laboratory findings. It was treated successfully by percutaneous catheter drainage.