| Ectopic kidney | |
|---|---|
| Other names | Renal ectopia |
 | |
| Ectopic crossed fused kidney in a fetus approx. 34 weeks | |
| Specialty | Nephrology |
Ectopic kidney describes a kidney that is not located in its usual position. It results from the kidney failing to ascend from its origin in the true pelvis or from a superiorly ascended kidney located in the thorax.
It has an incidence of approximately 1/900.