The patient, W. B., a 48-year-old white man, stated that his eruption began May 15, 1950, with a few small lumps under the skin of both cheeks. He visited a physician, who believed that the condition started as a "gum" infection and who gave the patient one injection of penicillin on June 30, 1950. A dentist told him, however, that his gums were in good condition and suggested that he consult a dermatologist. The latter administered superficial unfiltered x-rays (75 r twice a week for three successive weeks) and penicillin topically and parenterally, combined with local warm compresses. Since this regimen had little effect, incision of the abscesses of the left cheek was suggested. The patient objected and consulted another physician. The latter administered 1,200,000 units of penicillin in four successive days. Because of poer response the patient was referred to one of us (R. L. R.). On examination on