Eight patients have been received in the Henry Ford Hospital with unusually severe injuries to the pelvis, all sustaining a complete disruption of the pelvic bone with separation and displacement of one side from the other. In five instances there was separation and displacement anteriorly at the pubic symphysis, with accompanying separation and displacement of one or both sacro-iliac synchondrosis, constituting a true dislocation or luxation of the innominate bone. In the others, instead of separation at the pubic symphysis, there were vertical fractures close to it, with accompanying rupture of the sacro-iliac joint and upward displacement of what was practically the whole innominate bone, making the injury a comparable one. Several patients had accompanying fractures at other points in the pelvic ring but with little or no displacement at these points, so that the most striking lesion seemed to be the displacement of the innominate bone as a whole.
PEABODY CW. DISRUPTION OF PELVIS WITH LUXATION OF THE INNOMINATE BONE. Arch Surg. 1930;21(6):971–994. doi:10.1001/archsurg.1930.01150180087006
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