PRIMARYTUBERCULOSIS OF THESINUSES. Presented byDR.JOSEPHC.BECK. A negro, aged 17, admitted to the Research and Educational Hospitals of the University of Illinois in July, 1926, with evidence of interference with vision, did not return until seven months later when he had lost a great deal of vision. The eyes protruded, he had pressure symptoms and gave a history of having had nasal hemorrhages. Sarcoma was suspected. The Wassermann reaction was negative, and there were no symptoms or signs of syphilis; examination of the chest was negative. Radical surgical treatment was decided on. Part of the middle turbinate body was removed for biopsy, and examination revealed tuberculosis which had extended through the frontal bone and into the other structures. Shortly afterward, Drs. Lederer and Livingston performed a radical operation by incision over both eyes. Broken-down masses of granulation tissue and caseous material were found. The