To the Editor.
—Truncal sensory levels are usually associated with spinal cord lesions, although they also occur in patients who have had pontine and medullary infarcts1-3 and in patients who have undergone surgical spinothalamic tractotomy at the level of the pons4 or medulla5 for relief of intractable pain. We know of no previously reported cases of a truncal sensory level following traumatic injury of the pons, however; therefore, we report the following case.
Report of a Case.
—A 22-year-old male pedestrian was hit by a car. He was drowsy but oriented with 5-mm pupils that reacted sluggishly to light and better to near, with limited up-gaze and bilateral sixth-nerve palsies. There was right facial weakness of the central type; the right arm and leg were plegic except for a trace contraction in the leg proximally. There was flaccid paralysis of the left foot. Pinprick and sensation of
Dana Leifer, Fred H. Hochberg. Posttraumatic Pontine Truncal Sensory Level. Arch Neurol. 1991;48(12):1216. doi:10.1001/archneur.1991.00530240018009