Pancreatic pseudocyst in a patient with variant von Willebrand's disease.

We report a case of pancreatic pseudocyst which occurred in a 32-year-old woman with variant von Willebrand's disease. A curvilinearly calcified shadow incidentally seen in the upper abdomen on radiographic examination was the first sign of the cyst. The abnormality of hemostatic mechanism found in this patient is speculated to be related to the cyst formation.