STUDIES OF URINARY CALCULI XI REPORT

Urinary calculi.

IJANTITATIVE CHEMICAL ANALYSES of urinary calculi have been done in these laboratories for some twenty years. During this time almost two thousand stones have been examined. In the early days of this period, the only quantitative method available was that of a complete analysis of the inorganic ions and organic compounds present, which was quite difficult and tedious. After the development of t...

Epidemiological Studies on t Prevalence of Upper Urinary Calculi

Ab8tmCt h 7 m : A nationwide s u p ~ y was conducted to investime the prevalence of upwi urinary calculi in Taiwen. hb€wbk and M d a d k . A postal questionnaire was mailed to 27,758 people, 03% of the adults in Taiwan. lbmdb: Of the 4,588 val.id.mtspondents, 440 had at teast one episode of upper urinary calculus disease. The gverall prevalence was 94% (14.5% in males and ,4.3% in females). Men...

Exhibition of Urinary Calculi

The Etiology Of Urinary Calculi

Urinary Calculi in Germfree Rats

In a colony of germfree rats 50 per cent of the males had urinary calculi composed of calcium citrate and calcium oxalate. Genetically closely related conventional animals on the same sterilized diet did not present a single case of stone formation. The tendency to calculus formation disappeared when germfree animals were contaminated with the intestinal flora from conventional rats. The calcul...