The growth and function of many tissues are influenced by hormones. Therefore it is quite understandable that hormones play a role in the development and treatment of malignant tumors. Numerous publications address this topic; however, the results of many studies are controversial and have not been unequivocally accepted. For nearly 50 years the carcinogenic effect of steroid hormones has been under debate, and their therapeutic value a matter of discussion for equally as long. The present volume concentrates on substantiated data first obtained from the study of tumors developing from...

Malignancies originating from the urogenital tract account for about 20% of all solid neoplasias. The various tumor types, including carcinoma of the prostate, transitional cell carcinoma, renal cell carcinoma, and testicular germ cell tumors, differ widely in terms of biological features, in- cidence and appearance, diagnostic work-up and manage- ment. It is not surprising that this complexity of urologic oncology with its related problems has increasingly attracted both experimental investigators and clinical experts. Only time will tell whether the achievements that today are con- sidered-...