Diabetes & Endocrinology Expert Witness Dr Marcus Lyall Consultant in Diabetes & Endocrinology

Dr Lyall has 6 years experience as an expert witness. He enjoys a full medico-legal practice, accepting instructions from both Claimant and Defendant law firms in personal injury and clinical negligence cases throughout the UK.

Dr Marcus Lyall is a Consultant Physician specialising in internal medicine, diabetes and endocrinology and has been based at the Royal Infirmary of Edinburgh for the past eight years.

He has extensive experience in acute and general medicine at this large tertiary referral and teaching hospital seeing a diverse range of unscheduled acute medical presentations.

Beyond general medical care, Dr Lyall maintains specialty clinics within both the National Health Service and private practice, focusing on comprehensive diabetes care, all areas of general endocrinology and the management of thyroid cancer.

Demonstrating leadership in the field, Dr Lyall also chairs the regional multidisciplinary team dedicated to thyroid cancer and adrenal disease, coordinating care and contributing to best practice across Southeast Scotland.

Dr Lyall maintains a broad range of clinical interests within the field of internal medicine, diabetes and endocrinology. This encompasses the comprehensive assessment and management of patients presenting to the acute medical unit.

Within diabetes and endocrinology, Dr Lyall has expertise in comprehensive diabetes care, diabetes complications, hypoglycaemia, thyroid disease, thyroid cancer, adrenal disease, neuroendocrine tumours, neuropathy and pituitary disease.  He is also keenly focused on the specific challenges of diabetes and other complications related to steroid use including steroid withdrawal and steroid induced diabetes.

Dr Lyall demonstrates significant leadership and management experience within NHS Lothian, currently serving as the Clinical Director for Diabetes and Endocrinology services, overseeing care for a patient population exceeding eight hundred thousand people.

Beyond direct clinical leadership, Dr Lyall actively contributes to the development of regional best practice. They are the lead author of a range of important guidance documents covering key endocrine presentations, including diabetic foot disease, thyroid disease, diabetes therapeutics and steroid safety.

He is also keenly focussed on several key areas within medicine and endocrinology. These include advancements in diabetes therapeutics, the investigation of thyroid cancer, the optimisation of care within unscheduled general medical presentations, and the evolving role of diabetes technology in patient management.

Dr Lyall has established a strong publication record over the past decade, contributing original research articles across a diverse range of clinical areas. This includes significant contributions to the understanding and management of metabolic liver disease, diabetes epidemiology, the application of diabetes technology, the challenges of multimorbidity, diabetic foot complications, steroid-induced diabetes, and thyroid cancer.

Dr Lyall has established a strong publication record over the past decade, contributing original research articles across a diverse range of clinical areas. He has published on diverse areas such as the genetics of metabolic liver disease, diabetes epidemiology, the application of diabetes technology, the challenges of multimorbidity, diabetic foot complications, steroid-induced diabetes, and thyroid cancer.

Dr Lyall is committed to medical education and training, holding the position of Honorary Senior Lecturer at the University of Edinburgh. He regularly contributes to the teaching programmes for trainee endocrinologists, general physicians, and other specialist colleagues. Recognised as an expert in their field, Dr Lyall is frequently invited to present at local, regional, and national meetings, sharing their expertise in diabetes management.