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W. P. Blount, M.D.
JAMA. 1928;91(10):727. doi:10.1001/jama.1928.92700100002011c.
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Osteomyelitis of the coccyx is of sufficiently infrequent occurrence to warrant the report of a case in which a complete record is obtainable. The literature is surprisingly barren of similar summaries. Boland1 cites one case which was complicated by stricture of the rectum. Tuberculosis of the coccyx is often included in discussions of Pott's disease and has been well discussed by David2 as a specific entity. Pyogenic infections of the coccyx and sacrum have been written up with varying accuracy, but among the reports of thirty-one cases published by Monnier,3 Gaudier4 and Grisel5 prior to 1912, there were none in which the diagnosis was definitely established. Disease of the sacro-iliac joint was not excluded in most of these. X-ray evidence was often lacking, and surgical measures were limited to incision and drainage.

The case reported here illustrates the possibility of recognition by physical and


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