A 75-Year-Old Man Is Evaluated Due to New-Onset Left Foot

A 75-year-old man is evaluated due to new-onset left foot weakness. The patient has a history of osteoarthritis in the right hip and has undergone total hip arthroplasty. The total hip arthroplasty was done in general anesthesia in the left lateral decubitus. The patient has been complaining of weakness in the left foot. Physical examination shows loss of dorsiflexion and eversion of the left foot. He is unable to extend his left foot toes. The sensation is lost over the dorsum of the left foot. The rest of the neurological examination for both limbs is normal. This patient has an injury in which of the following nerves?

A) Common fibular nerve
B) Deep fibular nerve
C) Femoral nerve
D) Lateral sural cutaneous nerve
E) Lumbosacral spinal nerve roots
F) Sciatic nerve
G) Tibial nerve

Correct Answer:

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