Protrusion of the intervertebral disk as the result of trauma was first mentioned by Virchow1 in 1857, though it was not until more than fifty years later that Goldthwaite2 pointed out its clinical significance. At almost the same time, Middleton and Teacher,3 of Glasgow, Scotland, reported the full postmortem observations in such a case and correlated the clinical symptoms with the pathologic changes revealed at necropsy.4 Since then numerous cases have been reported in the literature, and the various aspects of the condition have been thoroughly discussed. The latest and one of the most extensive of these reports is an analysis by Love and Walsh5 of 100 cases in which operation was performed at the Mayo Clinic.
Since protrusion of the intervertebral disk is no longer regarded as rare or even as very unusual, the report of a single case demands some explanation. The justification