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This surgery is done in order to remove herniated disc material which presses on the spinal cord or on a nerve root. It can be done by an open technique (Open Discectomy) or using a special microscope (Microscopic discectomy).


Surgery is suggested when the patients have:
  • Very bad pain in the legs spreading from the lower back
  • Weakness and numbness of the feet.
  • Leg pain symptoms that do not get better after at least 4 weeks of nonsurgical treatment.
  • Results of a physical exam show that you have weakness or loss of movement, or an abnormal feeling that is likely to get better after surgery.

Surgery is considered an emergency if you have symptoms that are collectively termed “Cauda equina syndrome”. Signs include:
  • loss of bowel or bladder control.
  • weakness in the legs (usually both legs).
  • numbness or tingling in the buttocks, genital area, or legs (usually both legs).


Under general anaesthesia, the herniated part of the disc that is pressing on the nerves is removed. Any loose (extruded) fragments of the disc can also be removed during the surgery. The normal surgical time is about 1 to 1 ½ hours.


After the surgery, the patients usually have complete pain relief in the affected leg. Numbness and weakness take longer time to recover. The patients are made to walk on the 1st day after surgery and are discharged on the 2nd day.

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    TOSH(Trauma & Orthopaedic Speciality Hospital)
    #72, Ormes Road,
    Kilpauk, Chennai
    Tamil Nadu,India
    Pin: 600010.

    For Appointments:

    +91-44 4903 4903
    +91 9894467903