KIDNEY
Anomalies.
—Culp1 observed 6 instances of renal ectopia in a series of 747 cases in which pyelography was performed. In 3 of the 6 cases the patients had simple unilateral ectopia. According to Culp the anomaly was on the left side in 70 per cent of the cases previously reported. In 2 of the cases reported by Culp it was on the right side. The most common site for simple renal ectopia is the true pelvis, but in none of Culp's cases was the ectopic kidney situated in this region. Secondary disease was present in only 1 of the 3 cases of simple unilateral ectopia, but in all 3 there were symptoms referable to a kidney. In 2 cases there was crossed ectopia with fusion. This anomaly usually is found on the right side, but in both of Culp's cases of fused kidney the anomaly was situated