The present volume constitutes an attempt to compile contem porary features of diagnosis and treatment of renal and adrenal tumors. A thorough survey of the field is ensured by the authors' considerable scientific experience. Tumors of the kidneys and the adrenal glands are being diagnosed and treated by physicians of different medical disciplines. For both types of tumor, the pathologic cellular substrate is of crucial importance in diagnosis and therapy. In recent years significant diagn...