RADIATION MYELOPATHY OF THE LUMBO-SACRAL SPINAL CORD

Abstract

The clinical findings in 4 cases of radiation injury to the lumbosacral spinal cord and cauda equina, occurring after radiotherapy of malignant testicular tumors with radiation doses of 1597-1670 ret, are reported. The main feature in each case was flaccid paraparesis, without sensory loss in 3 cases, while 1 patient presented a doubtful sensory deficit. Symptoms of sphincter dysfunction were absent. In all cases the symptoms caused a marked and persistent incapacity. The principal site of radiation injury is the proximal parts of the lower motor neuron.