A clinical and radiological observation on urolithiasis

A clinical and radiological observation was mde on 167 cases of urolithiasis among the number of 150 patientsduring 1 year and 6 months from June, 1981 to Nov. 1982. The results were summerized as follows. 1. There were 101man and 49 women, a ratio of 2:1. The ages of the patients ranged from 2 to 74 years, showing the highestincidence in 31 to 60 years(68.1%). 2. Locational distributions of urolithiasis were 80 cases (47.9%) in theureter, 66 cases(39.5%) in the kidney, 11 cases (6.5%) in the urethra and 10 cases (5.9%) in the bladder. 3. Amongthe 66 cases of renal stone, pelvis stone was 55 cases (83.3%) with staghorn types in 23 cases(34.8%), andcalyceal stone was 11 cases(16.6%). 4. The location of ureteral stone was 47.5% in lower, 40% in upper ureter and12.5% in mid-ureter. 5. The location of urethra stone was 82% in the anterior urethra and 18% in the posteriorurethra. 6. The chief complain of urolithiasis was flank pain in 59.2%, gross hematuria in 20.3%, renal colic in13.1% ,dysuria in 8.3%, nausea and vomiting in 4.7%, and sudden stoppage of urine stream in 3.5%. 7. Onurinalysis, gross hematuria was found in 54.4%, pyuria in 28.7%, bacteriuria in 23.3%, microscopic hematuria in18.5% and normal in 7.1%. 8. The size of urinary stone was 0.6-2.0cm in length in 105 cases(62.8%). 9. On I.V.P.study of renal stones(66 cases), mild and moderate hydronephrotic changes were detected in38 kidneys(57.5%), andthe relationsip between the urinary stasis and renal stone size was relatively good. 10. On I.V.P. study ofureteral stones(80cases), mild to severe hydronephrotic changes were detected in 64 kidneys(80%). 11. On K.U.B.film, paralytic ileus was found in 25 cases (14.9%). 12. Among the urinary stones, the radiolucent stones weredetected in 8 cases (4.7%). 13. Urinary stones diappeared in 11 cases (6.5%) spontaneously or medical treatment.