16h • Clinical question
Fq39.
A 36-year-old man presents with a two-month history of low back pain radiating to his left leg After clinical examination he is referred for an MRI scan. This shows a prolapsed intervertebral disc. The clinical signs are consistent with pressure on SI roots. Which combination of clinical signs is most likely?
a. Weak ankle plantarfiexion; altered sensation on the dorsum of the foot; normal ankle jerk reflex
b. Weak ankle plantarfiexion; altered sensation on the sole of the foot; loss of ankle jerk reflex.
c. Weak hallux dorsiflexion; altered sensation on the anterior surface of the leg; loss-of ankle jerk reflex
d. Weak hallux dorsiflexion; altered sensation on the dorsum of the foot; normal ankle jerk reflex
e. Weak hallux dorsiflexion; altered sensation on the sole of the foot; loss of knee jerk reflex
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Fq39.
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