Endoscopic Spine Surgery in Chennai: A Keyhole Alternative to Open/Microscopic Spine Surgery
If you have been told you need back surgery, the word “surgery” often brings up the same fears — a long incision, days in hospital, weeks off your feet, and a scar you will carry for life. For many spine problems in 2026, that picture is out of date. Endoscopic spine surgery — sometimes called keyhole or “band-aid” spine surgery — treats the same conditions through an incision smaller than a fingernail, often as a day-care procedure.
This guide explains what endoscopic spine surgery is, how it differs from traditional open surgery, who it suits, and — just as importantly — who it does not. It is written to help you ask better questions of your surgeon, not to replace a proper clinical assessment.
What is endoscopic spine surgery?
Endoscopic spine surgery is a minimally invasive technique in which the surgeon passes a thin tube — about 7 to 8 mm wide — containing a high-definition camera and light directly to the affected part of the spine. Tiny instruments are worked alongside the camera to remove the disc fragment, bone spur, or tissue that is pressing on a nerve. The surgeon operates while watching a magnified live view on a screen, which allows very precise work through a single small opening.
Because the tube slides between the muscles rather than cutting through them, the surrounding tissue is largely left intact. In many cases the procedure can be done under local or spinal anaesthesia, and the patient goes home the same day or the next morning.
Which conditions can it treat?
Endoscopic techniques are well established for several common causes of back and leg pain, including:
Lumbar disc herniation (slipped disc) causing sciatica — pain running down the leg
Lumbar canal stenosis — narrowing of the spinal canal that causes leg pain or heaviness on walking
Foraminal stenosis — pinching of a nerve as it exits the spine
Certain recurrent disc herniations after previous surgery
Spondylolisthesis Grade 1
Selected cases of cervical (neck) disc disease
Endoscopic vs. open spine surgery: how they compare
The goal of both approaches is the same — take the pressure off the nerve. What differs is how much of the body has to be disturbed to get there.
Feature Endoscopic (keyhole) Traditional open surgery
Incision size ~8 mm (single small cut) Several centimetres
Muscle handling Tube passes between muscles Muscles cut and retracted
Anaesthesia Often local or spinal Usually general
Blood loss Minimal Higher
Hospital stay Day-care or overnight Typically 2–5 days
Return to routine Days to a couple of weeks Several weeks
Scarring Minimal Visible scar
For the right patient with a clear, single-level problem, studies show endoscopic surgery achieves nerve decompression comparable to conventional microsurgery, with less tissue damage and a quicker early recovery. It is not, however, a magic wand — the surgeon’s judgement about whether to operate matters far more than the size of the incision.
Who is endoscopic surgery not suitable for?
An honest surgeon will tell you when keyhole surgery is the wrong tool. It is generally not the right choice when there is significant spinal instability, high-grade slippage of a vertebra (spondylolisthesis) that needs fusion, major spinal deformity such as scoliosis, tumours, or infection. In these situations a different — sometimes open — approach gives a safer and more durable result. Many people who fear surgery also do not need it at all; a large share of disc and nerve pain settles with time, medication, and physiotherapy.
Recovery: what to realistically expect
Most patients walk within a few hours of endoscopic surgery and go home the same day or the next morning. Leg pain from a trapped nerve often eases quickly, though some numbness or tingling can take weeks to fully settle as the nerve recovers. Light daily activity resumes within days; heavier lifting and strenuous exercise are reintroduced gradually under guidance. Every recovery is individual, and your surgeon’s specific advice always takes priority over any general timeline.
Considering your options for back or leg pain?
Dr. Balaji Bashyam is a Consultant Endoscopic & Minimally Invasive Spine Surgeon in Chennai, trained in advanced endoscopic techniques in Germany (RIWO & AO Spine fellowships) and at CMC Vellore. He consults at Pavithram Speciality Clinic, Choolaimedu, and MGM Healthcare, Aminjikarai, with visiting consultations in Nellore, Tirupati, and Pondicherry.
Book a consultation →
Frequently asked questions
Is endoscopic spine surgery safe?
In experienced hands it is a well-established and safe technique. Because it involves a small incision, minimal muscle damage, and less blood loss, it can lower the risks associated with larger open procedures. As with any surgery, individual risk depends on your specific condition and overall health, which your surgeon will assess before recommending it.
How long is the recovery after endoscopic spine surgery?
Many patients go home the same day or the next morning and return to light daily activities within a few days. A full return to strenuous activity is usually staged over a few weeks. Recovery varies from person to person, so follow the specific plan your surgeon gives you.
Is endoscopic spine surgery available in Chennai?
Yes. Dr. Balaji Bashyam offers endoscopic and minimally invasive spine surgery in Chennai at Pavithram Speciality Clinic, Choolaimedu, and at MGM Healthcare, Aminjikarai, with visiting consultations in Nellore, Tirupati, and Pondicherry.
Does every slipped disc need surgery?
No. A large proportion of slipped discs and sciatica improve with time, medication, and physiotherapy. Surgery is generally considered only when symptoms are severe, persistent despite proper non-surgical care, or when there are warning signs such as significant weakness or loss of bladder or bowel control, which need urgent review.
Will I have a large scar?
No. Endoscopic spine surgery is performed through a single incision of roughly 8 mm, so scarring is minimal compared with traditional open surgery.