Infantile nephrotic syndrome. Clinicopathological study of 11 cases.

The clinical picture and histopathological findings in 11 infants with infantile nephrotic syndrome are presented. Three infants, who presented in the perinatal period, had congenital nephrotic syndrome (Finnish type); six of eight infants who presented in the 1st yr of life had mesangial sclerosis nephrotic syndrome, while the remaining two had minimal change nephrotic syndrome. Four of the six infants with mesangial sclerosis nephrotic syndrome were from one family. All patients died within 2 mo to 2 yr after presentation.