Abstract
My first experience in the use of iodized oil was in 1925, when I used this material as an opaque contrast medium in the making of roentgenograms of the maxillary and sphenoid sinuses. At that time patients occasionally volunteered that their condition was much improved after roentgenograms were made. I suspected that it was the oil which had helped them and ventured the assertion that iodized oil was of some medicinal value in the treatment of infections of the nasal sinuses.1 I later observed that I was getting better results when oil was used in the sinuses than I had obtained by irrigation or by the use of alcohol or many of the antiseptic solutions which I had tried in the treatment of acute and subacute infections of the antrum. I soon learned that the injection of 2 cc. of iodized oil into the antrum at intervals of a week