“…Among the numer ous causes that may induce unilateral kidney damage, renal tuberculosis is one [9]. Surgical success, if we follow Smith' s [1] criteria, is low, around 30-50% [10,11], Nev ertheless, the measurement of RVRs and the utilization of R VRR as indication of renin secretion by the affected kidney are valuable for both renovascular hypertension and unilateral nephropathy [12], However, RVRR is not without error [13,14] and good surgical results have been reported with no lateralization of central renins [3].…”