“…Interstitial oedema and round-cell infiltration, and tubular atrophy were absent in Cases 4 and 7 and patchy in Cases 2 and 3, but were more marked in Case 9. However, Case 1, a congenital nephrotic, showed striking dilatation and reduction in number of the proximal tubules, together with interstitial fibrosis, suggesting " microcystic disease " (Giles et al, 1957).…”