巨大膀胱結石の1例

Abstract

This report deals with a case of giant calculus arising in the urinary bladder of a 59 years old Japanese male, who had had a history of urinary frequency and discomfort for the previous 7 years. The calculus weighed 900 grams and the main component of which was uric acid calculus. The calculus divided into two parts with a smooth flat surface and each of them had its own nucleus. The domestic literature s have been reviewed and 39 cases of giant vesical calculus, weighing more than 200 grams, have been tabulated in weight order. The largest vesical calculus reported in Japan has been of 910 grams in weight, and this case is placed next to it.