PRIMARY SARCOMA OF THE PROSTATE.

There are only about thirty instances of primary sarcoma of the prostate gland recorded, the majority being collected in the inaugural dissertation of Gratzer, of 1895. Recently Schalek¹ described an additional case from Chiari's laboratory in Prague; it concerned a boy 3¼ years old. In looking over the material at hand, one is at once impressed with the relative frequency of this localization of sarcoma in early life. Four times the patients were less than 1, and seven were less than 10 years old; the remainder being scattered along in the various decennial periods up to the age of 70. Among the more prominent and frequent symptoms may be mentioned the presence of an irregular or rounded tumor of varying size, between the bladder and the rectum, which produces on the one hand urinary disturbances, at times total obstruction, at times increased frequency, catheterization being often difficult, if not