
About Katie Lacy
Dr. Katie Lacy is a Consultant Dermatologist at the St. John’s Institute of Dermatology, Guys and St. Thomas’ Hospital, London, an internationally recognised centre for the treatment of patients with skin conditions. She is experienced in treating patients with general dermatological conditions including eczema, psoriasis, acne, skin rashes and cancerous and benign skin lesion. Dr Lacy also has extensive experience of the use of mole mappingand dermoscopy in order to identify suspect skin lesions that require removal.
Dr Lacy runs a specialist clinic for patients with dysplastic naevus syndrome who are at high risk of the development of melanoma in addition to a joint skin cancer genetics clinic for patients and their families who have had multiple melanomas and numerous other hereditary conditions affecting the skin.
She has published her work in prestigious peer-reviewed journals and staged presentations at national and international meetings.
Dr Katie Lacy graduated from Pembroke College, Oxford University with a 1st class Honours degree in 1994. Having completed a PhD in skin immunology the the University College London, she is currently an Honorary Senior Lecturer at Kings College London.
Alongside this, Dr Lacy runs a research group investigating immune responses in melanoma and also has an interest in new techniques for skin cancer diagnosis including confocal microscopy and the imaging technique of optical coherence tomography.
Expertise
- Skin Cancer
- Moles
- Skin Rashes
- Eczema
- Psoriasis
- Acne
- Pigmented Skin Lesions
- Benign and Cancerous Skin Lesions
- Melanoma
Overview
- Age of patients seen
- 18+
- Qualifications
MA Physiological Sciences 1st Class Honours, Oxford University 1994
MBBS, London 1997
PhD, University College London 2008
Completion specialist training in Dermatology 2008
FRCP 2012
- Languages spoken
- English
- Online profiles
- Research highlights
Call for a balanced view on sentinel node biopsy for melanoma. BMJ. 2013 Feb 6;346:f648.
- Professional memberships
British Association of Dermatologists
Royal College of Physicians
Royal Society of Medicine
British Medical Association
British Society for Investigative Dermatology
British Society of Immunology
International Dermoscopy Society
- Certifications and Awards
Roger Bannister Prize for Medicine, Pembroke College (Awarded for highest marks in finals) 1994
Hugh Wallace Registrar Presentation prize, Royal Society of Medicine 2008
St John’s Dermatological Society Medal for presentation on Melanoma and Pregnancy 2019
Consultations and services
- Self-pay available from £325
- Health insurance
- Self-pay available from £250
- Health insurance
Insurers covered


- +4 more
- Cigna International
- Allianz Partners
- Henner
- Healix
Tests & treatments
Conditions & symptoms
Locations
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Frequently asked questions
Yes, but only for certain services. Some consultations, assessments, and treatments can be booked directly, while others require a GP or specialist referral. Please check the relevant service page for guidance, and contact the centre if you’re unsure.
We aim to offer appointments as quickly as possible, and many services have same-day or next-day availability. Waiting times vary depending on the appointment type, specialty, and consultant availability, but our team will always offer the earliest suitable appointment.
Yes. You can arrange an appointment for a family member, or someone you care for, just let us know when you get in touch. We’ll need their details and consent to complete the booking, unless you're their legal guardian or have power of attorney.
Your first consultation includes a detailed discussion of your symptoms, medical history, and lifestyle factors, followed by a thorough examination. It’s helpful if you can bring the results of any previous investigations with you, as well as a list of your current medications. Come with a comfortably full bladder so you can provide a urine sample if requested.