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Mr Martin Knight

Consultant Endoscopic Spinal Surgeon MBBS, FRCS, MD
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Medico-Legal Experience

Mr Martin Knight is a Consultant Spinal Orthopaedic Surgeon specialising in minimally invasive and endoscopic spinal surgery. He has acted as an Expert Witness for over 20 years and is fully Cardiff University Bond Solon (CUBS) certified. He is instructed by both Claimants and Defendants in personal injury and clinical negligence matters, and provides detailed, balanced, and comprehensive reports on Condition & Prognosis, Causation, and Liability.

Mr Knight takes a rigorous, forensic approach to his medico-legal work, applying his extensive surgical expertise and root-cause analysis of spinal pain to produce clear, evidence-based opinions.

He has prepared expert reports in more than 500 cases, covering a wide range of spinal pathology and surgical issues, including mismanagement of degenerative disc disease, Cauda Equina Syndrome (CES), Complex Regional Pain Syndrome (CRPS), delayed diagnosis, complications of minimally invasive and endoscopic spinal procedures, and failures of lumbar, thoracic, and cervical spinal surgery.

Mr Knight is experienced in joint expert discussions and can provide oral evidence in court when required.

He has extensive experience in cases associated with:

Lumbar spine surgery:

  • Wrong-level lumbar decompression or fusion
  • Insufficient decompression (e.g. residual disc herniation, lateral recess stenosis)
  • Transforaminal Endoscopic Lumbar Decompression
  • Adjacent segment disease following fusion
  • Persistent or recurrent lumbar pain after surgery/failed chronic pain management
  • Nerve root injury (traction, thermal, or direct surgical trauma)
  • Dural tear/cerebrospinal fluid (CSF) leak
  • Infection (discitis, osteomyelitis, post-operative wound infection)
  • Complex Regional Pain Syndrome (CRPS) following lumbar surgery
  • Emergency or elective spinal surgical negligence

Thoracic spine surgery:

  • Incorrect-level thoracic surgery (higher risk due to anatomical variability)
  • Residual thoracic disc herniation or inadequate decompression
  • Instrumentation failure (rod/screw loosening or misplacement)
  • Post-operative kyphotic deformity
  • Post-operative infection or epidural abscess
  • Pulmonary or pleural complications

Cervical spine surgery:

  • Wrong-level cervical discectomy
  • Residual or recurrent cervical disc herniation
  • Dysphagia or recurrent laryngeal nerve injury
  • Vertebral artery injury

Mismanagement of degenerate disc disease, including:

  • Disc protrusion/extrusions/sequestra
  • Osteophytosis
  • Laser disc compression
  • Axial or central stenosis
  • Spondylolytic spondylolisthesis
  • Spinal instability
  • Discogenic pain
  • High-intensity zones
  • Leaking discs
  • Perineural scarring
  • Traumatic vertebral fractures
  • Osteoporotic vertebral compression fractures
  • Cluneal nerve root irritation
  • Facet joint pain
  • Sacroiliac joint pain

Clinical Negligence and Personal Injury relating to:

  • Ehlers-Danlos Syndrome (EDS)
  • Cauda Equina Syndrome (CES)
  • Endoscopic Foraminoplasty
  • Annuloplasty
  • Endoscopic Intradiscal Discectomy
  • SpineJack Vertebral Reconstruction
  • Post-accident injury of the spine
  • Gelstix and Kehrfix or Stem Cell Disc Reconstruction
  • CT Guided Nerve Root Blocks
  • Cluneal Nerve Injections and Radiofrequency Ablation
  • Facet Joint Injection and Denervex

Mr Knight’s availability is around 4-6 weeks and he has a report turnaround time of 16 weeks.

Clinical Experience

Mr Knight is a highly experienced Orthopaedic Spinal Surgeon with more than three decades of consultant-level practice. As Medical Director of the Spinal Foundation since 1994, he has been at the forefront of advancing minimally invasive and endoscopic spinal surgery, pioneering techniques that have since been adopted globally.

He has performed over 10,000 endoscopic minimally invasive spinal procedures, using real-time patient feedback to accurately identify and treat the true sources of spinal and referred pain. His clinical practice encompasses the full spectrum of degenerative cervical, thoracic, and lumbar disorders, spinal stenosis, nerve compression, and complex failed back surgery cases.

Mr Knight is widely recognised as an innovator in the field. He has developed multiple endoscopic instrument systems and advanced techniques, including Transforaminal Endoscopic Lumbar Decompression and Foraminoplasty, which allow long-term treatment of disc prolapse, foraminal narrowing, post-operative scarring, and spinal instability without the need for open surgery, fusion, or disc replacement. His ongoing work includes cutting-edge research into stem cell–based disc reconstruction, disc augmentation polymers, and keyhole approaches to spinal decompression and disc repair.

Frequently Asked Questions

Would Mr Knight be able to assist in producing an addendum report? We already have the first report from a previous expert, Mr Knight would just need to review this along with MRI imaging to produce a prognosis in the form of an addendum. Another appointment would not be required.

Yes, Mr Knight can assist but we would need further details for an accurate fee.

Does Mr Knight see adolescents?

Mr Knight works with those over the age of 15.

Does Mr Knight carry out weekend appointments?

No, Mr Knight does not conduct appointments on the weekend.

Publications

  • Knight MTN, ; Karangoda, I.; Ahmed, R.N.; D’Angelo, T.: Inklebarger, J,; Abbas, B,; Dehmeshki, J,;. Paravertebral Cluneal Trigger Point Treatment Pathway. In Press
  • Knight MTN, ; Karangoda, I.; Ahmed, R.N.; D’Angelo, T.: Inklebarger, J,; Abbas, B,; Dehmeshki, J,;. A prospective review of Radiofrequency Treatment of Iliac and Paravertebral Cluneal Nerve Trigger Points. JRSM In Press
  • Knight M. Endoscopically determined pain sources in the lumbar spine. Oxford: Oxford University Press In Press.
  • Hourla K, Saftic R., Knight M.T.N Five-year outcomes following transforaminal endoscopic foraminotomy and discectomy for soft and calcified thoracic disc herniations using four outcome measures. Oxford: Oxford University Press In Press.
  • Knight MTN DJ, Inglebarger J, Abbas B, Di Angelo T, Karangpda I, Ahmed N. A Radiofrequency Treatment of Cluneal Nerve Disorders. In Press 2019
  • Knight M, John R. Surgical apparatus comprising magazine: Google Patents, 2019.
  • Knight M, John R. Cannula: Google Patents, 2017.
  • Knight M. Endoscopic foraminoplasty: key to understanding the sources of back pain and sciatica and their treatment. Minimally Invasive Surgery in Orthopedics 2016:1-26.
  • Knight MT. Laser assisted percutaneous and endoscopic lumbar discectomy. Textbook of Surgical Management of Lumbar Disc Herniation 2013:219.
  • M.T.N. K. Endoscopic laser foraminoplasty. Clinical privilege white paper 2012(60):1-13.
  • Knight M. Transforaminal Endoscopic Treatment of the Degenerating Lumbar Spine. In Touch 2010;132:18-23.
  • Kiehn R, Rehe O, Weller T, et al. Endoscope: Google Patents, 2005.
  • Knight MT, Jago I, Cert S, et al. Failed Fusion Surgery treated by Transforaminal Endoscopic Lumbar. Semin Ultrasound CT MR 2004;25(6):523-35.
  • Knight MT. Management of spondylolytic spondylolisthesis with endoscopic foraminoplasty. Лазерная медицина 2004;8(3):323-23.
  • Knight M. Aware state determined lumbar foraminal pain sources. Лазерная медицина 2004;8(3):321-21.
  • Knight M. Aware state endoscopic laser foraminoplasty: patient selection, clinical outcomes, morbidity. Лазерная медицина 2004;8(3):322-22.
  • Freemont A, Platt D, Baird P, et al. Immunology and Cytokines. 2004
  • Knight M, Goswami A. Management of isthmic spondylolisthesis with posterolateral endoscopic foraminal decompression. Spine (Phila Pa 1976) 2003;28(6):573-81. doi: 10.1097/01.BRS.0000050400.16499.ED [published Online First: 2003/03/19]
  • KNIGHT M, GOSWAMI A. Selected Nonexperimental Methods: An Orientation in Principles and Practice of Research: Strategies for Surgical Investigators Selected Nonexperimental Methods: An Orientation in Principles and Practice of Research: Strategies for Surgical Investigators, 1991. Spine 2003;28(6):573-81.
  • Knight M, Goswami A. Outcome Analysis. Percutaneous Laser Disc Decompression: A Practical Guide 2003:197.
  • Knight M, Goswami A. Endoscopic Laser Foraminoplasty: A Treatment Concept and Two-Year Outcome Analysis. Percutaneous Laser Disc Decompression: Springer 2003:197-209.
  • KNIGHT M, GOSWAMI A. Therapeutic Exercise for Spinal Segmental Stabilization in Low Back Pain: Scientific Basis and Clinical Approach Therapeutic Exercise for Spinal Segmental Stabilization in Low Back Pain: Scientific Basis and Clinical Approach, 1999. Spine 2003;28(6):573-81.
  • Knight M. The Evolution of Endoscopic Laser Foraminoplasty [Doctorate of Medicine]. Manchester University, 2003.
  • In vitro gene transfer to human intervertebral disc chondrocytes by an adenovirus vector. Orthopaedic Proceedings; 2002. The British Editorial Society of Bone & Joint Surgery.
  • Le Maitre C, Rajpura A, Staley W, et al. Viruses and Gene Therapy. 2002
  • Knight M, Goswami A, Patko J, et al. Endoscopic Foraminoplasty: A Prospective Study on 250 Consecutive Patients with Independent Evaluation. The Journal of Bone and
  • Knight M, Goswami A, Hothersall A. The Use of The Distress And Risk Assessment Method in Patients with Chronic Back Pain. Rheumatology (Oxford) 2002;41
  • Endoscopic foraminoplasty in failed back surgery: its effect on psychological distress profile, disability and pain outcomes. Orthopaedic Proceedings; 2002. The British Editorial Society of Bone & Joint Surgery.
  • The Use of the Distress And Risk Assessment Method in Patients with Chronic Back Pain: Its Failure to Predict the Response to Endoscopic Spinal Surgery. Orthopaedic Proceedings; 2002. The British Editorial Society of Bone & Joint Surgery.
  • The initial and sustained benefit of endoscopic foraminoplasty in the treatment of chronic back pain is not a placebo effect. Orthopaedic Proceedings; 2002. The British Editorial Society of Bone & Joint Surgery.
  • Houra K, Saftic R, Knight M. Five-Year Outcomes After Transforaminal Endoscopic Foraminotomy and Discectomy for Soft and Calcified Thoracic Disc Herniations. Int J Spine Surg 2021; 15 (3): 494-503.
  • Houra K, Saftic R, Knight M. Long term clinical outcomes following endoscopic foraminoplasty for patients with single level foraminal stenosis of the lumbar spine International Journal of Spine Surgery.
  • Hellinger S, Knight M, Telfeian AE, Lewandrowski KU. Patient selection criteria for percutaneous anterior cervical laser versus endoscopic discectomy. Lasers Surg Med. 2022.

Martin has an extensive list of publications, please contact us for the full list.

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