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Intrasplenic dissection by pancreatic pseudocysts.

Abstract Four patients in whom a pancreatic pseudocyst penetrated into the spleen were seen within a six-month period. Intrasplenic pancreatic pseudocysts were associated with rupture of the spleen, splenic-artery hemorrhage, splenic-vein thrombosis, and splenic infarction. Spleen scans using 99mTc-labeled sulfur colloid and selective celiac angiography both clearly delineated the intrasplenic component of the pseudocysts. Removal of the entire pseudocyst by distal pancreatectomy and splenectomy appears to be feasible, safe, and effective treatment.