Renal tuberculosis is one of the most frequent disease in the urological field of Korea for a long period of time. A clinical observation of renal tuberculosis was made on the 50 cases admitted to the Department of Urology, Korea University Hospital from January 1968 to December 1975. The results summarized as follows:
1. The ratio of number of renal tuberculosis cases admitted against total number of urological inpatients is decreasing significantly every years.
2. 31 cases out of 50, belonged to the age group of 21 to 40.
3. Both kidneys were affected in 13 cases, while 21 cases in right side only and 16 cases in left kidney.
4. The important subjective symptoms were as follows : frequency in 54%, painful urination in 40%, flank pain in 40 %, gross hematuria in 38% and asymptomatic in 1 case.
5. 32% of the cases visited to the hospital within 6 months after onset of the symptoms.
6. 56% of the cases were associated with pulmonary tuberculosis.
7. Tuberculous epididymitis were complicated in 3 cases, bone tuberculosis in 1 case and squamous cell carcinoma of the bladder was found in 1 case.
8. Increased ESR were found in 42 cases and 43 cases were within normal range of BUN.
9. Urinary findings revealed proteinuria in 94%, hematuria in 74% and pyuria in 76%. Urine AFB was found in 26 cases (52%).
10. 18 cases of AFB culture was done with drug sensitivity test, which showed that INH was the most sensitive drug, but PAS and streptomycine were sensitive in high concentration of the drugs only.
11. On the urogram, non-visualization of the kidney was found in 20 cases and delayed visualization in 15 cases while abnormal ureteral findings noted in 18 cases.
12. Nephrectomy was performed in 23 cases out of 31 operated cases and nephrostomy was done in 7 cases.
13. Histopathological findings of 23 nephrectomized kidneys disclosed parenchymal tuberculous nodules in all cases and severely atrophic changes in 3 cases.
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