]> 2026-07-31T11:52:00+00:00 WBR0570 0 en This image illustrates lesions in the dorsal columns consistent with tertiary syphilis. Pathophysiology A previously healthy 14-year-old boy is brought by his mother for a two-day history of muscle weakness in the lower extremities. The mother reports that her child had a prodrome of fever, headaches, and vomiting for a few days. The mother informs the physician that the family has recently emigrated from Nigeria less than a month ago. Neurological examination reveals muscle weakness in the lower extremities more pronounced on the right side, absent reflexes in the legs bilaterally and muscle fasciculations in both femoral regions. Sensory neurological exam is unremarkable in the upper and lower extremities. A lumbar puncture is performed, and CSF profile demonstrates leukocytosis. A neurological lesion in the spinal cord is suspected. Which of the following spinal cord images (lesions depicted in red) represents the site of the neurological lesion in this child? D Neurology 2020-10-28T00:59:37Z 2459150.5414005 WBR0570