The disease commonly referred to as renal rickets, renal dwarfism or renal infantilism is, as the names imply, primarily a disease of the kidneys. On the basis of a long-standing, possibly congenital renal insufficiency, grave constitutional changes occur. Dwarfism is common to all cases; changes in the bones are seen in about two thirds of them, and infantilism is evident in the patients who survive puberty.
This condition, which was rarely observed before 1911, has been reported more frequently since that time, probably because of the attention focused on it by Fletcher,1 Barber,2 Parsons3 and others. To date about seventy-five cases have been reported in the literature, with many of the accounts containing detailed roentgen, chemical and pathologic data. The more recent publications of Parsons, Schoenthal and Burpee4 and Mitchell5 present the subject in great detail.
A patient with renal dwarfism with changes in the