Cancer is an important cause of death within the first 15 played an important role in assembling valuable data concerning some of the less common neoplasms. Such years of life. Many childhood cancers are fundamentally different from those arising in adults by virtue of patho sources of information, as well as those produced by large genesis, behaviour and response to therapy. One of the repositories of material (e.g. The American Armed Forces Institute of Pathology), are widely utilized throughout the great success stories of recent years has been the dramatic improvement in survival of children with many different text. types of cancer. This has been made possible largely is a field which is evolving fast on Paediatric neoplasia through the development and implementation of multimo several different fronts, and, against this backdrop, the dality treatment regimes, as well as increasingly accurate accompanying text can only provide a ''snapshot'' account.