Doctor Details

Designation : ENT Surgeon, laryngologist, Head & Neck Surgical Oncologist

Location : Chennai

ENT Surgeon| Laryngologist | Head & Neck Surgical Oncologist

Dr. Vidhyadharan Sivakumar

Dr. Vidhyadharan Sivakumar is a Head & Neck Surgeon with more than 10 years of experience. He is skilled in minimally invasive techniques such as Robotic Surgery, Laser and Endoscopic Endonasal Approach to the skull base. He is one of the few surgeons in India with overseas fellowship trained clinical expertise in Transoral Robotic Surgery, Transoral Laser Microsurgery, Reconstructive Microsurgery for head and neck cancers and management of Swallowing and Voice disorders.

Areas of Expertise

  • Robotic Head and Neck Surgery
  • Deglutology & Rehabilitation of Swallowing Disorders
  • Phagosurgery
  • Head & Neck Microvascular Reconstructive surgery
  • Transoral Laser Microsurgery
  • Phonosurgery & Laryngeal Reinnervation
  • Skull Base Surgery

Educational & Training Background

MBBS, MS (ENT), DNB (ENT), MCh (Head & Neck), FEBORL – HNS, FICRS,

ASOHNS Clinical Fellowship in Robotic Surgery and Head & Neck Surgery, Australia.

Clinical Fellowship in Advanced Otolaryngology – Head & Neck Oncology, Australia

  • 2002 MBBS, Sri Ramachandra Medical College and Research Institute, Sri Ramachandra University, Chennai, India.
  • 2004 to 2006 – Senior House Officer (Honorary, Locum and Training) – Accident & Emergency Services , Oldchurch Hospital, Barking, Havering & Redbridge Hospitals NHS Trust, Romford, Essex, UK .
  • 2009 – MS (ENT), Rajah Muthiah Medical College and Hospital under Annamalai University, India
  • 2009 – DNB (ENT), National Board of Examinations, New Delhi and Madras ENT Research Foundation, Chennai, India
  • 2010 – Clinical Fellow in Advanced Otolaryngology – Head & Neck Surgery and Oncology at Royal Adelaide Hospital , Central Adelaide Health Network, Australia
  • 2015 – M.Ch. in Head and Neck Surgery, Amrita Institute of Medical Sciences under Amrita Vishwa Vidyapeetham University, Kochi, India
  • 2016 – Fellow of International College of Robotic Surgeons certification
  • 2016 – ASOHNS Clinical Fellowship in Robotic Surgery & Head & Neck Surgery, Royal Adelaide Hospital, Australia
  • 2017 – Visiting Scholar, Division of Reconstructive Microsurgery at Chang Gung Memorial Hospital, Taiwan.
  • 2018 – Fellow of The European Board of Oto-Rhino-Laryngology, Head & Neck Surgery (FEB ORL – HNS), European Union of Medical Specialists (UEMS).
  • 2019 – Mini-Fellowship in Sleep Surgery, Asia Sleep Centre and Mount Elizabeth Hospital, Singapore
  • Dr Vidhyadharan has also had further training at Tata Memorial Hospital, India; Ganga Hospital, India; Toronto General Hospital, Canada; Chang Gung Memorial Hospital, Taiwan and Yonsei University College of Medicine, South Korea.
  • 2019 – till date: Adjunct Faculty – Department of Head & Neck Surgery and Oncology at Amrita Institute of Medical Sciences
  • 2015 – 2019: Clinical Assistant Professor – Department of Head & Neck Surgery and Oncology at Amrita Institute of Medical Sciences (2015 – 2019).
  • 2015 – 2019: Clinical Lead Consultant – Swallowing Disorders Centre at Amrita Institute of Medical Sciences (2015 – 2019).

Educational & Training Background

MBBS, MS (ENT), DNB (ENT), MCh (Head & Neck), FEBORL – HNS, FICRS,

ASOHNS Clinical Fellowship in Robotic Surgery and Head & Neck Surgery, Australia.

Clinical Fellowship in Advanced Otolaryngology – Head & Neck Oncology, Australia

  • 2002 MBBS, Sri Ramachandra Medical College and Research Institute, Sri Ramachandra University, Chennai, India.
  • 2004 to 2006 – Senior House Officer (Honorary, Locum and Training) – Accident & Emergency Services , Oldchurch Hospital, Barking, Havering & Redbridge Hospitals NHS Trust, Romford, Essex, UK .
  • 2009 – MS (ENT), Rajah Muthiah Medical College and Hospital under Annamalai University, India
  • 2009 – DNB (ENT), National Board of Examinations, New Delhi and Madras ENT Research Foundation, Chennai, India
  • 2010 – Clinical Fellow in Advanced Otolaryngology – Head & Neck Surgery and Oncology at Royal Adelaide Hospital , Central Adelaide Health Network, Australia
  • 2015 – M.Ch. in Head and Neck Surgery, Amrita Institute of Medical Sciences under Amrita Vishwa Vidyapeetham University, Kochi, India
  • 2016 – Fellow of International College of Robotic Surgeons certification
  • 2016 – ASOHNS Clinical Fellowship in Robotic Surgery & Head & Neck Surgery, Royal Adelaide Hospital, Australia
  • 2017 – Visiting Scholar, Division of Reconstructive Microsurgery at Chang Gung Memorial Hospital, Taiwan.
  • 2018 – Fellow of The European Board of Oto-Rhino-Laryngology, Head & Neck Surgery (FEB ORL – HNS), European Union of Medical Specialists (UEMS).
  • 2019 – Mini-Fellowship in Sleep Surgery, Asia Sleep Centre and Mount Elizabeth Hospital, Singapore
  • Dr Vidhyadharan has also had further training at Tata Memorial Hospital, India; Ganga Hospital, India; Toronto General Hospital, Canada; Chang Gung Memorial Hospital, Taiwan and Yonsei University College of Medicine, South Korea.
  • 2019 – till date: Adjunct Faculty – Department of Head & Neck Surgery and Oncology at Amrita Institute of Medical Sciences
  • 2015 – 2019: Clinical Assistant Professor – Department of Head & Neck Surgery and Oncology at Amrita Institute of Medical Sciences (2015 – 2019).
  • 2015 – 2019: Clinical Lead Consultant – Swallowing Disorders Centre at Amrita Institute of Medical Sciences (2015 – 2019).

Awards & Honors:

  • Top Downloaded Paper 2018-2019 and recognised as one of the most read in The Laryngoscope journal – Pavithran J, Puthiyottil IV, Narayan M, Vidhyadharan S, Menon JR, Iyer S. Observations from a Pediatric Dysphagia Clinic: Characteristics of children at risk of aspiration pneumonia. Laryngoscope 2019;129(11):2614‐2618.The published study generated immediate impact and helped to raise the visibility of recognized as one of The Laryngoscope.
  • Rising Star Award at the 15 th Annual Conference of the Association of Phonosurgeons of India (PHONOCON – 2019) on 1 st February 2019, Kolkata, India – Onco – Phagosurgery: A New Frontier in augmenting swallowing rehabilitation of patients treated for head & neck cancer.
  • Best Poster (Silver) at the combined meeting of the International Federation of Head & Neck Oncologic Societies (IFHNOS) World Tour and the 18 th National conference of FHNO on 27 th October 2018, Kolkata, India – Onco Phagosurgery: Defining the Surgical Management of Dysphagia in Head and Neck Cancer Patients.
  • Best podium presentation medal at 13th National conference of FHNO on 29 th September 2013, Jaipur, India – Gastro Omental Free flap for Reconstruction of Tongue Defects.
  • First mark and Gold Medal in the Master of Surgery (Otolaryngology) examinations in April 2009 – Annamalai University, Chidambaram, India.

Text Book Chapters

  • Rathod P, Vidhyadharan S, Iyer S. Anatomy of Swallowing. In: Krishnakumar Thankappan, Subramania Iyer, Jayakumar R Menon, editors. Dysphagia Management in Head and Neck Cancers, A Manual and Atlas: A Manual and Atlas. Singapore: Springer Nature Singapore Pte Ltd; 2018: 3 – 26.
  • Jani KK, Vidhyadharan S, Iyer S. Physiology of Swallowing. In: Krishnakumar Thankappan, Subramania Iyer, Jayakumar R Menon, editors. Dysphagia Management in Head and Neck Cancers, A Manual and Atlas: A Manual and Atlas. Singapore: Springer Nature Singapore Pte Ltd; 2018: 27 – 41.
  • Vidhyadharan S. Pretreatment Counselling, Education and Training. In: Krishnakumar Thankappan, Subramania Iyer, Jayakumar R Menon, editors. Dysphagia Management in Head and Neck Cancers, A Manual and Atlas: A Manual and Atlas. Singapore: Springer Nature Singapore Pte Ltd; 2018: 45 – 54.
  • Vidhyadharan S, Iyer S, Thankappan K. Principles of surgery in Oral Cavity Cancers. In: Krishnakumar Thankappan, Subramania Iyer, editors. Basic Concepts in Head & Neck Surgery and Oncology. New Delhi: Jaypee Brothers Medical Publishers (P) Ltd; 2015: 137 – 43.
  • Vidhyadharan S, Anoop R, Thankappan K. Guidelines in the management of Oral Cavity Cancers. In: Krishnakumar Thankappan, Subramanin Iyer, editors. Basic Concepts in Head & Neck Surgery and Oncology. New Delhi: Jaypee Brothers Medical Publishers (P) Ltd; 2015: 158 – 68.
  • Sharma M, Wakure AN, Vidhyadharan S, Iyer S. Head and Neck Reconstruction. In: Krishnakumar Thankappan, Subramanin Iyer, editors. Basic Concepts in Head & Neck Surgery and Oncology. New Delhi: Jaypee Brothers Medical Publishers (P) Ltd; 2015: 237 – 50.

Research Publications

  • Sumati Sundaraiya, Adhithyan Rajendran, Abubacker Sulaiman, Sivakumar Pradeep, Sivakumar Vidhyadharan, Naveen Hedne. Metabolically subacute infarct masquerading as metastasis: A finding not to be overlooked in asymptomatic oncology patients. Indian Journal of Nuclear Medicine, 2021; 36(1):85-7.
  • Pradeep S, Pandya K, Kamath V, Vidhyadharan S, Hedne N. Olfactory and Gustatory symptoms of coronavirus disease. Journal of Clinical & Diagnostic Research. 2021; 15(2):6-16.
  • Pradeep S, Pandya K, Nagappan N, Vidhyadharan S, Hedne N. Awareness about unusual symptoms of Covid-19: A pilot survery among Indian adults. International Journal of Scientific Research. 2020; 9(6): 58-60.
  • Pavithran J, Puthiyottil IV, Kumar M, Nikitha AV, Vidhyadharan S, Bhaskaran, Arya CJ, Thankappan K, Iyer S, Karimassery SR. Exploring the utility of fibreoptic endoscopic evaluation of swallowing in young children- A comparison with videofluoroscopy. International Journal of Pediatric Otorhinolaryngology. 2020 Nov;138:110339
  • Iyer S, Subramaniam N, Vidhyadharan S, Thankappan K, Balasubramanian D, R BK, Nair A, Purushottaman K, Ramu J, Paul Z. Tracheal Allotransplantation-Lessons Learned. Indian J Plast Surg. 2020; 53(2):306-308.
  • Pradeep S, Hedne N, Vidhyadharan S, Rajiv S. Sternal metastatectomy in a case of papillary thyroid carcinoma. BMJ Case Rep. 2020;13(10):e235967.
  • Sethi N, Dale O, Vidhyadharan S, Krishnan S, Foreman A, Hodge JC. Transoral robotic narrow field oropharyngectomy for tumours of the parapharyngeal space. Int J Med Robot. 2020 Jun;16(3):e2083.
  • Subramaniam N, Balasubramanian D, Murthy S, Kumar N, Vidhyadharan S, Vijayan SN, Nambiar A, Thankappan K, Iyer S. Predictors of locoregional control in stage I/II oral squamous cell carcinoma classified by AJCC 8th edition. Eur J Surg Oncol. 2019 Nov;45(11):2126-2130.
  • Subramaniam N, Balasubramanian D, Kumar N, Murthy S, Vijayan SN, Nambiar A, Vidhyadharan S, Thankappan K, Iyer S. Lymph node staging systems in oral squamous cell carcinoma: A Comparative Analysis. Oral Oncology, 2019; 97: 92–98.
  • Pavithran J, Puthiyottil IV, Narayan M, Vidhyadharan S, Menon JR, Iyer S. Observations from a pediatric dysphagia clinic: Characteristics of children at risk of aspiration pneumonia. Laryngoscope. 2019;129(11):2614‐2618.
  • Vidhyadharan S, Thankappan K, Subramaniam N, et al. Robot-Assisted Surgery Avoids Mandibulotomy in a Case of Adenoid Cystic Carcinoma of Base of the Tongue. Craniomaxillofac Trauma Reconstr. 2019;12(2):163‐166.
  • N. Subramaniam, D. Balasubramanian, S. Murthy, P. Rathod, S. Vidhyadharan, K.Thankappan, S. Iyer. Impact of postoperative radiotherapy on survival and loco-regional control in node – negative oral cavity tumours classified as T3 using the AJCC Cancer Staging Manual eighth edition. Int J Oral Maxillofac Surg. 2019 Feb; 48(2): 152 – 56.
  • Subramaniam N, Balasubramanian D, Reddy R, Rathod P, Murthy S, Vidhyadharan S, Thankappan K, Iyer S. Determinants of level Ib involvement in oral squamous cell carcinoma and implications for submandibular gland- sparing neck dissection. Int J Oral Maxillofac Surg. 2018 Dec; 47(12): 1507 – 10.
  • Subramaniam N, Murthy S, Balasubramanian D, Low TH, Vidhyadharan S, Clark J, Thankappan K, Iyer S. Adverse pathologic features in T1/2 oral squamous cell carcinoma classified by the American Joint Committee on Cancer eighth edition and implications for treatment. Head Neck. 2018 Oct; 40(10): 2123 – 28.
  • Vidhyadharan S, Thankappan K, Janarthanan R, Balasubramanian D, Sharma M, Mathew J, Sudheer OV, Iyer S. Gastro – omental free flap for reconstruction of tongue defects. Oral Oncology. 2018; 83: 134–139.
  • Subramaniam N, Balasubramanian D, Pradeep RKA, Murthy S, Rathod P, Vidhyadharan S, Thankappan K, Iyer S. ACSNSQIP Risk Calculator in Indian Patients Undergoing Surgery for Head and Neck Cancers: Is It Valid? Indian J Surg Oncol. 2018 Jun; 9(2):122-125.
  • Mayadevi M, Thankappan T, Limbachiya SV, Vidhyadharan S, Villegas B, Ouyoung M, Balasubramanian D, Menon JR, Sinha U, Iyer S. Interdisciplinary Telemedicine in the Management of Dysphagia in Head and Neck. Dysphagia (2018): 1-7.
  • M. Pandey, Vidhyadharan S, U. Puthalath, R. Veeraraghavan, S.V. Sukumaran, C. Prasad, S. Iyer, K. Thankappan. Macroscopic technique for the evaluation of oral tongue tumour thickness: a reliable intraoperative method. International Journal of Oral & Maxillofacial Surgery 2016 Aug;45(8):933-7.
  • Khadakban D, Kudpaje A, Thankappan K, Jayaprasad K, Gorasia T, Vidhyadharan S, Mathew J, Sharma M, Iyer S. Reconstructive Indications of Antero-lateral Thigh Free Flaps in Head and Neck Reconstruction. Craniomaxillofacial Trauma & Reconstruction. 2015 Mar; 9(1):40-5.
  • Shawn Joseph S, Shetty S, Sandya C J, Vidhyadharan Sivakumar, Peter S, Krishnakumar T, Iyer S. An easy and safe method for facial nerve identification in parotid surgery. J Neurol Surg B Skull Base. 2015 Dec; 76(6): 426-31.
  • Vidhyadharan S, Augustine I, Kudpaje A, Iyer S, Thankappan K. Site-wise Differences in Adequacy of the Surgical resection margins in Head and Neck Cancers. Indian J Surg Oncol. 2014 Sep; 5(3): 227-31.
  • Shetty S, Thankappan K, Iyer S, Vidhyadharan Sivakumar. Treatment outcomes in advanced hypopharyngeal carcinoma. Organ preservation Vs surgical modality. Oral Oncology (May 1, 2013); 49 Suppl. 1:S31.
  • Vidhyadharan S, Krishnan S, King G, Morley A. Transoral robotic surgery for the removal of a second branchial arch cyst: a case report. Journal of Robotic Surgery 2012, 6 (4): 349-353.
  • VU Shanmugam, Ruta Shanmugam, Vidhyadharan S. Syringocystadenoma Papilliferum – A rare neoplasm of the pre – auricular region. Indian Journal of Otology 2010; Vol.16: 29-32.
  • GC Sahoo, VU Shanmugam, Ruta Shanmugam, Vidhyadharan S. Lingual Thyroid – How We Do It. Orissa Journal of Otolaryngology and Head & Neck Surgery 2008; 3(1): 48 – 50.
  • GC Sahoo, Ruta Shanmugam, VU Shanmugam, Vidhyadharan S. Esophageal Foreign Body – Twin Deliveries. Orissa Journal of Otolaryngology and Head & Neck Surgery 2008; 3(1): 20 – 21.