Presentation of Specimen of Large “Dumb-Bell” Calculus

PHILADELPHIA UROLOGICAL SOCIETY

499

PRESENTATION OF SPECIMEN OF LARGE "DUMB-BELL" CALCULUS LEON HERMAN

This large bladder calculus (figs. 8 and 9), which weighed 7¾ ounces, was removed several months ago from a man whose clinical symptoms began about one month before the date of operation. The larger segment of the calculus occupied a diverticulum on the right side of the bladder, and could be felt very plainly per rectum. It is interesting to note that the two segments of the calculus were held in apposition by the neck of the diverticulum, the two being articulated.

FIG. 8

FIG. 9

FIG. 8. PHOTOGRAPH OF "DUMB-BELL" CALCULUS The smaller segment occupied a vesical diverticulum ; the smaller one which was articulated with the former, projected into the bladder cavity.

FIG. 9. RoENTGENOGRAM OF LARGE " DUMB-BELL" CALCULUS, OF WHICH Is SHOWN IN FIGURE 8

A

PHOTOGRAPH

Discussion Dr. ARMITAGE: I recall that several years ago I removed a stone similar to the one t hat Dr. Herman has exhibited. The patient had evidently carried it for a number of years without symptoms, until the portion of the calculus that projected into the bladder broke off and lodged in the prostatic urethra. After removal of the stone, the diverticulum drained well so that it was