Tag Ethan A. Smith

Renal Neoplasms

Nephrogenic Rests and Nephroblastomatosis Overview and Pathophysiology. Embryologic development of the kidneys is completed by the 36th gestational week. Residual embryonic fetal tissue (metanephric blastema) that persists beyond 36 weeks' gestation is called a nephrogenic rest . Multifocal or diffuse…