[Rare pancreatic tumors from the viewpoint of our own patient sample]

Four less common tumours of the pancreas are being presented with histological findings (malignant haemangiopericytoma, small cell type anaplastic carcinoma, microcystic cystadenoma, dysontogenetic cyst) from our own patient data. The discussion includes general considerations about preoperative staging and grading as well as the differential diagnosis of the kind of tumours.