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To the Editor:—
In the Correspondence section of the March 10, 1956, issue of The Journal, page 899, is a letter relative to the article "Intra-Articular and Paravertebral Injection of Cortisone in Osteoarthritis of Spine," regarding the possibility of untoward reactions, particularly as to entrance of the needle into the vertebral artery or transfixing the ligamenta flava, thus entering the subarachnoid space. We have used this procedure in two large arthritis clinics in Philadelphia for over two years. Thousands of injections have been administered (sometimes as often as twice weekly) without mishap. Although untoward reactions are possible, in our experience none has occurred.
Cohen A. CORTISONE INJECTIONS. JAMA. 1956;160(15):1355. doi:10.1001/jama.1956.02960500085027