. Annals of surgery . ibrous pedicle, which itself hadalreadv calcified and later gradually underwent metaplasia into bone, or whether the stone formed free in the renal pelvis and by its large size and roughened surface eroded the ])elvic lining and became attached secondarily by an invading fibrous pedicle, the tip of which in turn ossified by meta- jilasia and replaced bone. C.\SE IL—T. male,age twenty-four, enteredPresbyterian Hospital,January 15, 1923, givinga history of occasionalattacks of pain in theright renal region duringthe past eleven the past twomonths there had


. Annals of surgery . ibrous pedicle, which itself hadalreadv calcified and later gradually underwent metaplasia into bone, or whether the stone formed free in the renal pelvis and by its large size and roughened surface eroded the ])elvic lining and became attached secondarily by an invading fibrous pedicle, the tip of which in turn ossified by meta- jilasia and replaced bone. C.\SE IL—T. male,age twenty-four, enteredPresbyterian Hospital,January 15, 1923, givinga history of occasionalattacks of pain in theright renal region duringthe past eleven the past twomonths there had beenincreased frequency ofand burning on urina-tion. Physical exam-ination was negative,aside from moderatetenderness and rigidity inthe right kidney r 6 n t g e n o g r a m(Fig. 6) showed several shadows of stones in the right kidney. There was onelarge, dense, branching shadow in the region of the renal pelvis. No definitearea of lessened density could be made out within it. The urine was alkaline and 243. rtph of bone. OSSIFICATION IN KIDNEY STONES


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectsurgery, bookyear1885