Dr Malcolm Prentice

Dr Malcolm Prentice trained at King’s College Hospital and has a BSc in Pharmacology from King’s College, London.  He was a Consultant in Endocrinology, Diabetes and General (Internal) Medicine at Croydon University Hospital from 1988 until 2019 and is now an Honorary Consultant at St George’s Hospital, London. He is now a member of Consultant Connect which remotely supports GPs with their acute endocrine, or diabetic clinical problems to recommend, or prevent NHS hospital referrals. He is a former Committee member of the Thyroid Club of Great Britain and former secretary and treasurer of the British Thyroid Association. He liaised with and encouraged the setting up of the British Thyroid Foundation and other patient support groups for endocrine patients. He is a member of the principal thyroid and endocrine societies in Europe and North America.

He has over thirty years’ clinical experience of inpatient and outpatient management of endocrinology, diabetes and general medicine, and managed acute medical admissions for over 45 years.

He was one of the first in the UK to set up in 1990 a one-stop Thyroid Nodule Clinic with ultrasound and biopsy for the detection of thyroid cancer. He initiated the National Training Course for non-radiologists in thyroid ultrasound and biopsy with the support of the Royal College of Radiologists, which he ran from 2005. He set up a rapid access remote antenatal thyroid clinic in 2013 for the management of thyroid disease in pregnancy. He is ARSAC-licensed for radioactive iodine therapy at St George’s Hospital, London.

He is the co-author of the National Guidelines for the Management of Differentiated Thyroid Cancer, first and second editions and was an external reviewer for the third edition.


His recent thyroid related publications include:

  • Prentice M, Hickey J, Vanderpump M, Taylor P N, Lazarus J H (6 Jan 2020) Iodine and Folate – essential for mothers to be; Lancet Endocrinol and Diabetes 8; 9-10; doi: 10.1016/S2213-8587(19)30380-8.
  • Prentice J, Panter K, Attygalle A, Ind T, and Prentice M (Jan 2020) Pure T3 secretion from a struma ovarii characterised by a paradoxical Free T4 rise with carbimazole therapy.; Diabetes Endocrinology and Metabolism Case Reports DOI:
  • Tran AD, Hyer SL, Kirby N, Prentice M, Okosieme OE (2019) Adequacy of thyroid hormone replacement in pregnancy and the preconception period in women with hypothyroidism: a primary care audit; European Thyroid Association Abs P1-07-66.