Acne necrotica miliaris of the scalp is a fairly common disease which may cause intense suffering. Sabouraud1 described it in 1928 under the title "acne necrotique miliaire." Lane2 in 1933 reported the first cases in this country under the title "acne necrotica miliaris of the scalp." The disease which Ormsby3 called "pustular perifolliculitis" is probably the same as acne necrotica miliaris of the scalp. In 1937 Montgomery4 reported 25 cases from the Mayo Clinic. McCarthy5 agreed with the other authors that the histologic picture is that of acne necrotica of a minute type.
The patients whom I have observed have been seriously inconvenienced by the disease. They had tried numerous remedies without relief. The patients had suffered from localized areas of intense burning and itching of the scalp for a number of years. The commonest lesion was a pinhead-sized crust located about a hair. On