A previously healthy 45-yr-old labourer suddenly develops acute lower back pain with right-leg pain & weakness of dorsiflexion of the right great toe. Which of the following is true -

Sudden onset of back pain with radiation to lower limb (right leg pain) and weakness of dorsiflexion of the right great toe in a laborer suggest the diagnosis of PID. Progression of neurological impairment (for example weakness of toe extension to foot drop) is an indication for surgery.