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Following thoracoabdominal aortic aneurysm repair, a patient develops sudden bilateral leg weakness and loss of pain and temperature sensation below the umbilicus. Vibration and joint-position sensation remain relatively preserved. Which spinal cord arterial territory is most likely affected?

singleBestAnswer

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1

Bilateral posterior spinal artery territories

2

Anterior spinal artery territory

3

Artery of Adamkiewicz inflow alone

4

Unilateral central sulcal artery territory

5

Combined anterior and bilateral posterior spinal artery territories

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abnormality of spinal alignment.png

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