THE PRESUMPTIVE diagnosis of carcinoma of the prostate can be made clinically by rectal palpation. McHeffey1 has shown that urologists can be accurate in the clinical diagnosis of adenofibromatous hyperplasia in 96 per cent of the cases and of carcinoma of the prostate in 88 per cent. Kahler2 was of the opinion that the perineural lymphatic vessels are involved in practically all cases of prostatic cancer regardless of the size of the tumor or the grade of the malignant disease.
Thompson3 revealed that the incidence of metastasis varied between 25 and 58 per cent of cases reported.
Greene and Emmett4 were unable to show lasting benefit from bilateral orchectomy in a group of 179 patients followed for one year or more. They advocated the procedure only for patients with symptoms secondary to metastasis. Landsteiner and Brown,5 Barnes,6 Huggins,7 Scott and Benjamin8 and