4th June 2023

A 66-year-old male patient presents with leg weakness and urinary incontinence

A 66-year-old male patient presents with leg weakness and urinary incontinence. He reports that this came on suddenly, over a matter of seconds. On examination, he has bilateral flaccid paralysis of his legs, and he is areflexic. His bladder scan shows a residual volume of 750ml. On sensory examination, he has impaired sensation to pinprick and temperature to the level of T10. However, his vibration sensation and proprioception remain intact. His cranial nerves and upper limbs are normal.

Where is the likely site of damage?