U.S. doctors online nowAsk doctors free
A 38-year-old male asked:

Can pain in back and leg along with foot drop be caused by a small disc protusion l5s1 if conductive nerve study and emg are normal?

2 doctor answers2 doctors weighed in
Dr. Bennett Machanic
Neurology 53 years experience
Clarification: The peroneal nerve is comprised mainly of l-5 level functions, and your described disc would be at the wrong site, unless of course, a small fragment has lodged near the l-5 lateral recess. Suppose you could have abnormal proximal sciatic nerve function. Was this directly tested? You might have issue with compression at lateral knee. But could be a focal lesion within central nervous system.
Created for people with ongoing healthcare needs but benefits everyone.
Dr. James Natalie
17 years experience
Probably not: If the foot drop is related to the disc protrusion, EMG should have been positive. So your condition may be related to something else and you probably need a complete neurological examination to help localize the injury
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Jun 10, 2014


Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.