Amyotrophic Lateral Sclerosis Following Arm Trauma
Abstract
Abstract To the Editor. —In a letter to the editor, Riggs1 described a 33-year-old man in whom amyotrophic lateral sclerosis (ALS) developed nine months after he suffered a traction injury to his upper extremity while trying to save himself from falling off a railroad car. The onset of ALS following a severe pull of one or both upper extremities away from the shoulder has been described before, as detailed below. Patients. —Probst2 described a 37-year-old woman whose hand became...