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Asst Prof Rajeev Parameswaran

  • Senior Consultant, Division of General Surgery (Endocrine & Thyroid Surgery), Department of Surgery, National University Hospital
  • Senior Consultant, Division of General Surgery (Endocrine & Thyroid Surgery), Department of Surgery, Alexandra Hospital
  • Senior Consultant, Division of Surgical Oncology, National University Cancer Institute, Singapore
  • Assistant Professor, Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore
BSc (India), MBBS (India), FRCS (Ireland), M Phil (UK), FRCS (UK)
Surgery, Surgical Oncology
Endocrine & Thyroid Surgery, General Surgery, Surgical Oncology (Thyroid & Endocrine Surgery)
Special Interests:
​Thyroid & Parathyroid Surgery, Adrenal Surgery – Open and Minimally Invasive, Inherited Conditions of the Endocrine Glands (MEN-1, MEN2, SDH & others), Parathyroid and Adrenal Cancer, Paediatric Endocrine Surgery


Dr Rajeev Parameswaran is a Senior Consultant at the Division of General Surgery (Endocrine & Thyroid Surgery) at the National University Hospital, specialising in Endocrine and Thyroid surgical disorders. He also serves at Alexandra Hospital.
Dr Rajeev following his medical graduation in India, trained in surgery and pursued higher training in the United Kingdom. He completed his specialist endocrine surgical training and Fellowship in endocrine surgery from Oxford, following which he was employed as a Consultant in Endocrine & General Surgery in UK. He is one of the few accredited Consultants on the British Association of Endocrine and Thyroid Surgeons to perform endocrine surgery. Dr Rajeev was awarded M Phil from Oxford for his research work on aberrant glycoproteins in thyroid tumours. 

Dr Rajeev has special interest in management of endocrine cancers (cancers of the thyroid, parathyroid and adrenal glands), minimally invasive surgery of the adrenal and parathyroid glands and re-operative endocrine surgery. His main area of research interest is aberrant expression of glycoproteins in endocrine cancers. He has delivered international lectures on various topics in endocrine cancers.


  • 2018 - Endocrine Metabolic Society Grant of Singapore

Journals & Publications

  1. Figge JJ, Gooding WE, Steward DL, Yip L, Sippel RS, Yang SP, Scheri RP, Sipos JA, Mandel SJ, Mayson SE, Burman KD, Folek JM, Haugen BR, Sosa JA, Parameswaran R, Tan WB, Nikiforov YE, Carty SE 2021 Do Ultrasound Patterns and Clinical Parameters Inform the Probability of Thyroid Cancer Predicted by Molecular Testing in Nodules with Indeterminate Cytology? Thyroid.
  2. Sek KS, Tsang I, Lee XY, Albaqmi OH, Morosan Allo YJ, Rosmarin MC, Mahrous AK, Parameswaran R, Ng DCE, Tong AKT, Loke KSH, Brenta G, Alghamdi AH, Albati NA, Fish SA, Tuttle RM, Yang SP 2021 Frequent neck US in papillary thyroid cancer likely detects non-actionable findings. Clin Endocrinol (Oxf) 94:504-512.
  3. Tiong YS, Hao ETY, Lee CC, Parameswaran R, Cheo T, Ho WLC, Yang SP 2021 Prevalence of thyroid malignancy and hormonal dysfunction following radiation exposure in childhood. Ann Acad Med Singap 50:402-410.
  4. Yang SP, Koh LCW, Kong KW, Parameswaran R, Loke KSH, Ngiam KY, Tan WB, Loh T, Ng DCE, Goh BC, Ngeow J, Tai ES 2021 A Multiplex Thyroid-Specific Assay for Quantification of Circulating Thyroid Cell-Free RNA in Plasma of Thyroid Cancer Patients. Front Genet 12:721832.
  5. Chandran M, Chan Maung A, Mithal A, Parameswaran R 2020 Vitamin D in COVID - 19: Dousing the fire or averting the storm? - A perspective from the Asia-Pacific. Osteoporos Sarcopenia 6:97-105.
  6. Ting KR, Ong PY, Wei SOG, Parameswaran R, Khoo CM, Deepak DS, Lee SC 2020 Characteristics and genetic testing outcomes of patients with clinically suspected paraganglioma/pheochromocytoma (PGL/PCC) syndrome in Singapore. Hered Cancer Clin Pract 18:24.
  7. Chen R, Oh HB, Parameswaran R, Gorelik A, Miller JA 2019 Practice Patterns in Parathyroid Surgery: A Survey of Asia-Pacific Parathyroid Surgeons. World J Surg 43:1964-1971.
  8. Goh X, Lum J, Yang SP, Chionh SB, Koay E, Chiu L, Parameswaran R, Ngiam KY, Loh TKS, Nga ME, Lim CM 2019 BRAF mutation in papillary thyroid cancer-Prevalence and clinical correlation in a South-East Asian cohort. Clin Otolaryngol 44:114-123.
  9. Kanojia D, Dakle P, Mayakonda A, Parameswaran R, Puhaindran ME, Min VLK, Madan V, Koeffler P 2019 Identification of somatic alterations in lipoma using whole exome sequencing. Sci Rep 9:14370.
  10. Ng P, Ho C, Tan WB, Ngiam KY, Lim CM, Thomas Loh KS, Nga ME, Parameswaran R 2019 Predictors of thyroxine replacement following hemithyroidectomy in a south east Asian cohort. Head Neck 41:1463-1467.

Professional Memberships

  • British Association of Endocrine and Thyroid Surgeons (BAETS)
  • Asian Society of Endocrine Surgeons (ASES)
  • Royal Society of Medicine, UK
  • Endocrine Society US
  • International Association of Endocrine Surgeons (IAES)
  • American Thyroid Association (ATA)
  • Singapore Society of Oncology (SSO)
  • Endocrine & Metabolic Society of Singapore (EMSS)
  • European Network for the Study of Adrenal Tumours (ENSAT)


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