spinal cord lesion lab

Tap a syndrome. Watch the tracts disappear.

Cross-section is oriented like a cord slice: posterior/dorsal on top, anterior/ventral below. Deficits are written for a lesion at one spinal level.

Dorsal columns Lateral corticospinal Lateral spinothalamic Lesion
DC DC LCST LCST STT STT POSTERIOR ANTERIOR LEFT RIGHT
Tip: dorsal columns ascend ipsilaterally; pain/temp crosses within 1–2 segments then ascends contralaterally; corticospinal has already crossed in the medulla → ipsilateral UMN signs below a cord lesion.