The pathology of the pancreas, which was a "hidden" retroperitoneal organ for many years, can now be marvelously depicted by the modern sectional imaging techniques. As a result great progress has been achieved during the past decade in the diagnosis and differential diagnosis of pancreatic tumors. Among the tumors of the pancreas the so-called rare tumors need to be well known by radiologists because they pose challenging problems for differential diagnosis and for clini cal management. This is particularly true because these tumors are frequently discovered incidentally. This volume covers...