It is not our object to discuss the various forms of treatment advocated for pyelitis, but to present the results obtained by pelvic lavage in this series of cases.
It is well known that cases of acute colon pyelitis often clear up without medical treatment. This often occurs in children. Whether or not these patients may be considered as permanently cured is a question, many authors believing that pyelitis of adults, especially the pyelitis of pregnancy, is simply an exacerbation of a pyelitis of infancy, which has remained latent for years. With the exception of such cases of pyelitis of pregnancy which were severe enough to warrant local treatment, pelvic lavage was not instituted in acute pyelitis.
Nearly all the cases belong to the group usually designated as chronic pyelitis. The question of whether pyelitis can exist without involvement of the renal parenchyma is one which always results in a