We report a compression myelitis due to posterior luxation of the occiput. A review of the literature and of the various indexes failed to reveal a parallel case.
—A white ex-pugilist, aged 38, came to the clinic, Nov. 23, 1928, complaining of a swollen right knee. It proved to be a neurotrophic joint. A more careful neurologic history elicited the following: When 28 years of age, the patient, as a participant in a prize fight, was struck a terrific blow on the chin; it rendered him unconscious. When he regained his senses, the left side of the body was weak and clumsy and the right leg was numb. The disturbance righted itself in three or four days. He had been "knocked out" about twenty-five times in his career, but never with the same consequences. Ten years later and shortly after the first of the year, 1928, while intoxicated, he