RENAL AND URETERAL STONES, A REVIEW BASED ON 104 OPERATED CASES FROM TIKUR-ANBESSA-HOSPITAL

One-hundred-four cases of stones in the upper urinary tract treated by open surgery during 1979 to 1982 at the Tikur Anbessa Hospital have b een retrospectively reviewed. Among the patients, 76.5% were between t he age of 20 and 40 years and there was a predominance of men with a m ale to female ratio of 3.7:1. More than 50% of patients presented with a history of illness from one to five years and most of the presentin g symptoms and signs were the same as reported by others. Fourteen of the 73 patients tested (19%) had positive urine culture. Conservative operations of pyelolithotomy and ureterolithtomy were made in 71.2% of the patients. Nephrolithotomy was made in 14.3%, partial nephrectomy in 3.8% and nephrectomy in 8.7%. Of the patients 92.3% had an uneventf ul postoperative course. Mortality was 1.9% and occurred in patients w ith stone anuria. Chemical analysis of stones from 25 patients showed calciumoxalate in 21, and calciumoxalate with additional phosphate in three patients. One patient had pure uric acid stone.