The Pathology of Vesical Neoplasms

Tumors of the urinary bladder present a frequent and a difficult problem to the urologist. This is evidenced by the ever growing series of cases reported from the larger clinics both in this country and abroad. The ultimate object of analyzing groups of these cases is to determine the results of the various forms of therapy employed, whether physical and chemical agents, surgery, or combinations of the two. For the individual patient, one aims to be guided by the deductions from such analyses in deciding what plan of treatment offers the best chance of cure. When we discuss the modes of therapy at our disposal we understand one another reasonably well. When we attempt, however, to indicate the nature of the disease process from which the patient is suffering, we are sometimes on common ground but frequently we are far apart and seem to be conversing in foreign tongues. The