A cystic neoplasm needs to be considered when a patient presents with a fluid-containing pancreatic lesion. Cystic neoplasms of the pancreas may be more frequent than previously recognized and are ...

On the basis of the appearance of sections of the mass stained with hematoxylin and eosin, we made a diagnosis of a spindle cell tumor (Fig. 2). Such tumors are a highly heterogeneous group that ...

Adult tissues are maintained by the proliferation of tissue stem cells that constitute only a small fraction of the total cell mass. The same applies to some tumours: a small number of cancer stem ...