Titlebook: Renal Calculus; Leslie N. Pyrah Book 1979 Springer-Verlag Berlin Heidelberg 1979 Harnleiterstein.Nierenstein.calculus.kidney.surgery

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Chemical Substances in Urine Promoting or Preventing Renal Stone,yroidism, hydronephrosis, a ‘communicating’ cyst of the kidney). Not all patients in whom such predisposing causes are present do, in fact, develop renal calculi; and conversely many patients without such an obvious predisposing factor do develop calcium-containing calculi.

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Some General Considerations in the Surgical Treatment of Renal and Ureteric Stone, relevant to the operations for the removal of renal calculi taken as a whole. Some limitations to operative procedure are imposed by the anatomy of the renal vasculature. The extent to which incisions can be made in the renal parenchyma without too much resultant damage, the amount of the total ren

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Operative Treatment of Renal and Ureteric Calculi,e will have been considered. In a very few cases some urologists will have considered the possibility of treatment by irrigation of the renal pelvis. The choice of operation depends upon the position of the calculi (calyces, renal pelvis, intracystic), upon their number and extent and upon the prese

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Special Groups of Cases of Stone and Their Treatment,s decided to remove bilateral renal calculi at two separate operations, the stone in the kidney adjudged to be better functionally should be removed first, the stone in the opposite kidney being removed after a suitable interval. Pain experienced in one kidney may influence the surgeon to operate on

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Uric Acid Calculi,antoin by the action of the enzyme uricase. The first stage in purine biosynthesis is the formation of ribofuranosylamine-5-phos-phate from 5 phosphoribosyl-1-pyrophosphate, a reaction which is catalyzed by the enzyme phosphoribosylamino-transferase [28]. This irreversible step possibly determines t