lumbosacral nephrogenic rest

Association

 lumbosacral spine anomalies (spinal dysraphism)

References

 Horenstein MG, Manci EA, Walker AB, Dehner LP. Lumbosacral Ectopic Nephrogenic Rest Unassociated With Spinal Dysraphism. Am J Surg Pathol. 2004 Oct;28(10):1389-1392. PMID: #15371957#