Medical specialists – Top Doctors UK
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Professional statement

Dr Carla Perna is a highly regarded consultant clinical oncologist based in London, Guildford, and Surrey who specialises in urological cancers, particularly prostate cancer and testicular cancer. With 15 years’ experience, Dr Perna is highly proficient in various treatment modalities, including chemotherapy, MRIdian, hormone therapy, immunotherapy, 177 Lutetium PSMA therapy, and radiotherapy such as stereotactic radiotherapy and brachytherapy.

Dr Perna consults privately at Nuffield Health Guildford Hospital, GenesisCare Guildford, GenesisCare London Cromwell Hospital, and London Bridge Hospital. As well as this, she has also served as a specialist advisor for uro oncology and an MRI specialist for GenesisCare since 2019. Dr Perna provides 400 prostate brachytherapy treatments each year, utilising both the low-dose-rate and high-dose-rate techniques.

Dr Perna holds an MBBS from Università degli studi di Palermo. Following this, she completed higher specialist training in radiation oncology, before going on to accomplish a prestigious clinical fellowship at University College London Hospital, where she dedicated two years to formal research in pelvic radiotherapy. Additionally, Dr Perna holds the FRCS equivalent from the Royal College of Radiologists.

Beyond her practice, Dr Perna continues to make notable contributions to the field of clinical oncology. As a principal investigator, she has led several urological trials exploring radiotherapy techniques with hypo fractionation and SpaceOAR, as well as systemic treatments including Theranostic applications such as Lutetium PSMA for metastatic prostate cancer.

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Professor Heather Payne is a highly regarded clinical oncologist based in London, specialising in the treatment of various urological cancers. With a primary focus on prostate cancer, her areas of expertise also encompass radiotherapy, hormone therapy, image-guided radiotherapy (IGRT), chemotherapy, and brachytherapy. Beyond prostate cancer, Professor Payne is well-versed in managing bladder cancer, kidney cancer, penile cancer, and testicular cancer, showcasing her comprehensive approach to urological oncology.
 
Professor Payne underwent her training at St Mary's Hospital, developing a strong foundation for her subsequent professional endeavours. Currently, she operates within a multidisciplinary team at her bustling practice, where her work extends to pioneering initiatives in the field. Notably, her research contributions encompass hormone therapy, proton beam therapy for prostate cancer, and the innovative use of high-dose-rate brachytherapy in prostate cancer treatment.
 
In addition to her clinical and academic roles, Professor Payne actively engages in research, reflecting her commitment to advancing the field of oncology. Her research interests include sensitisation of hormones and radiotherapy, predictive indices for bowel toxicity with radiotherapy, proton beam therapy for prostate cancer and supporting men in decision-making processes related to prostate cancer. This dedication to research aligns with her holistic approach to patient care.
 
Professor Payne's contributions extend beyond the clinical and research realms. As the chair of the British Uro-oncology Group (BUG) and a trustee of the Prostate Cancer Research Centre, she holds leadership roles within key organisations dedicated to urological oncology. Her reputation for expertise and her compassionate approach make her a trusted figure, particularly in helping patients navigate challenging treatment decisions.

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Mr Parijat Bhattacharjee is an experienced gynaecologist and fertility consultant based in London, whose areas of expertise include infertility, polycystic ovarian syndrome (PCOS), ovarian cysts, menstrual problems, endometriosis and the treatment of fibroids. He provides a one-stop service in fertility management. He believes all women are different and therefore need individualised care and management plans. He does not believe in time-bound consultations and attempts at giving the best medical care where the woman feels comfortable.

Mr Bhattacharjee holds a special interest in gynaecology ultrasound, early pregnancy problems including recurrent and late miscarriages, poor obstetric history and ectopic pregnancies. He holds one-stop gynaecology clinics, particularly for pelvic pain and irregular or heavy vaginal bleeding. He does an ultrasound scan during the initial consultation and provides a comprehensive treatment and follow up plan, which may include surgery if necessary. He has extensive training in advanced gynaecological surgery including laparoscopic & hysteroscopic surgery and is a trainer of the British Society of Gynaecological Endoscopists.

He has had extensive experience in all aspects of gynaecology from his specialist training in the UK, including at Royal London & St Bartholomew’s, Royal Free, University College London, St. George's and University of Leicester hospitals.

Outside of his clinical work, Mr Bhattacharjee is actively involved in voluntary work in countries that are poor and lack resources, to help reduce maternal and infant mortality and organises and provides training in gynaecology ultrasound and gynaecological surgery. 

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Mr Ahmed Magan is a highly esteemed consultant orthopaedic surgeon who possesses extensive experience in conditions and procedures such as ACL reconstruction, hip replacement surgery, knee replacement surgery, knee arthroscopy, joint replacement surgery, and knee arthritis. 

Thus far in his medical career, Mr Magan has undergone rigorous training and education to acquire the knowledge and skills necessary to diagnose and treat a wide range of orthopaedic conditions, from sports injuries to degenerative joint diseases. Mr Magan's areas of expertise encompass various aspects of orthopaedic surgery, including joint replacement surgery, arthroscopic procedures, fracture management, and sports medicine.

In addition to his clinical practice, Mr Magan is notably actively involved in medical education and research, sharing his knowledge and expertise with medical students, residents, and colleagues. He is committed to advancing the field of orthopaedics through research initiatives, publications, and presentations, contributing to the collective understanding of orthopaedic conditions and treatments.

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Mr Aires Lobo is a leading consultant ophthalmic surgeon who practises in Bedford, North London and Central London. With a medical career spanning more than 20 years, he has gained highly skilled and renowned expertise in his field.

Among his numerous areas of expertise are cataract surgery, macular degeneration, diabetic retinopathy, laser retinopexy, blepharitis, dry eye and watering eye. Furthermore, Mr Lobo ensures he uses the most up-to-date techniques and medications to provide the utmost quality ofpatient care.

He also dedicates his career to research with his research interests being targeted towards medical retina, age-related macular degeneration and diabetic retinopathy. In 2011, he was nominated for the Macular Disease Society's annual Clinical Services of the Year Award, which recognises his outstanding efforts in helping to improve the quality of life in patients with macular disease. 

Furthermore, as Mr Lobo continues to even further hone his skills, he also participates in the teaching of peers and auxiliary medical staff as well as GPs. What's more, he is an approved examiner of The Royal College of Ophthalmologists.

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Mr Florian Bast is a London-based consultant ENT surgeon. Prior to this Mr Bast was appointed as an ENT consultant at the University of Berlin, Germany. Mr Bast completed his higher surgical training at the University of Heidelberg and the University of Berlin, Germany and became a specialist in otorhinolaryngology, head and neck surgery in 2011. In 2014, Mr Bast completed the prestigious craniofacial and facial-plastic fellowship at Chelsea and Westminster Hospital, London.

Mr Bast specialises in aspects of rhinology and facial plastic surgery, including the treatment of chronic rhinosinusitis, functional and aesthetic septo-rhinoplasties, and treating patients with snoring problems and obstructive sleep apnoea. He is also extensively trained in the use of Neuromodulators and Dermal Fillers. Mr Bast is a frequent lecturer at national and international conferences and is also widely published in his areas of expertise.

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Dr Margareta Griesz-Brisson MD, PhD, is one of Europe's leading consultant neurologists who is based on Harley Street in London. She is the Medical Director of The London Neurology & Pain Clinic, where she currently sees patients.

She specialises in neurology, neuro-regeneration, neuroplasticity, neurotoxicology, environmental medicine and pain management. The uniqueness of this clinic is the working philosophy which is based exclusively on physiological methods based on support and biology, rather than on suppression and pharmacotherapy.

Dr Griesz-Brisson is a member of the American Academy of Neurology, European Federation of Neurological Societies, European Academy of Environmental Medicine, and many others. She also consistently serves as a medico-legal expert in the United Kingdom, Norway, Germany, Switzerland and the United States.

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Dr. Ravi Ramessur is a Consultant Clinical-Academic Dermatologist based at The Harley Street Dermatology Clinic, the Cadogan Clinic and the Skin 55 Clinics in London. He is dedicated to providing comprehensive, holistic care while ensuring his patients have access to the most advanced and effective treatments. He balances his private practice with his continued role as an NHS consultant, offering his expertise across both settings.

Dr. Ramessur has a specialist interest in inflammatory skin conditions, including psoriasis, eczema, acne and rosacea. He also has extensive experience in diagnosing and managing warts, cysts, mole checks, rosacea, vitiligo and skin cancer, consulting with both children and adults.

He completed his medical training at the University of Cambridge and the University of Oxford before undertaking specialist dermatology training in London and Cambridge. Following his dermatology training, he pursued a PhD at the St John’s Institute of Dermatology in London, focusing on the impact of lifestyle factors and genetics on psoriasis and its related health issues.

Dr. Ramessur’s clinical and research work has earned him numerous national and international awards. He has published over 20 peer-reviewed articles, including contributions to high-impact journals such as The Lancet, JAMA Cardiology, and the British Journal of Dermatology. He is frequently invited to present his findings at major international conferences. Since 2023, he has presented at research conferences in Amsterdam, Brussels, Dubai, Freiberg, Glasgow, Liverpool, London, Madrid, New Orleans, Oslo, Paris, San Diego, Singapore, Southampton, Tokyo, and Trondheim.

Beyond clinical practice, Dr. Ramessur is committed to advancing dermatology and healthcare more broadly through active roles in several key national organisations, including:
 
National Institute for Health and Care Excellence (NICE):

• Technology Appraisal Committee: Ensuring new medical treatments are effective and cost-efficient for NHS use.

• Therapeutics and Guidelines Subcommittee: Developing evidence-based recommendations for treating skin conditions to ensure safe and effective patient care.
• Artificial Intelligence Working Party: Exploring the potential of artificial intelligence to enhance the diagnosis and treatment of skin conditions.
• Audit Subcommittee: Overseeing quality improvement initiatives to ensure high standards of dermatology care across the UK.

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Dr Michael FitzPatrick is a consultant specialist gastroenterologist and GI immunology researcher in Oxford who specialises in gastrointestinal endoscopy, digestive diseases and colonoscopy, alongside irritable bowel syndrome (IBS), coeliac disease and dyspepsia (indigestion). He privately practises at Nuffield Health Oxford (The Manor) Hospital and his NHS base is the Oxford University Hospitals NHS Foundation Trust.

He also offers a range of diagnostic and therapeutic services, including gastroscopy, colonoscopy, and managing conditions such as diarrhoea and constipation. Dr FitzPatrick is known for his patient-centred approach, delivering compassionate and personalised care while focusing on clear communication to ensure his patients fully understand their conditions and treatment options.

Dr FitzPatrick has a special interest in coeliac disease, where he leads his NHS trust's coeliac service, as well as complex nutrition and irritable bowel syndrome. He works with patients across a wide spectrum of digestive conditions, from acid reflux and abdominal pain to more complex issues such as anaemia and rectal bleeding. In addition, he provides comprehensive care to patients aged 16 and above, ensuring that all individuals receive tailored, high-quality treatment.

Alongside his clinical work, Dr FitzPatrick is a leading researcher at the Translational Gastroenterology and Liver Unit at the University of Oxford. He completed his DPhil and PhD in Clinical Medicine with a focus on human immunology, T-cell biology and coeliac disease. His research continues to explore disease mechanisms in immune-mediated gastroenterological conditions. As a respected academic, he supervises PhD students, teaches undergraduates, and has authored numerous peer-reviewed publications. He is also a frequent speaker at international conferences.

Dr FitzPatrick is a member of various professional associations, including the British Society of Gastroenterology and the Royal College of Physicians, and served as Co-chair of the Trainees Committee at the Royal College of Physicians from 2018 to 2023. His contributions to both clinical practice and research have helped shape advancements in the understanding and treatment of gastrointestinal disorders.

For more information about Dr Michael FitzPatrick, please visit www.oxford-gastroenterology.co.uk.

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Mr Piotr Swiatek is a highly experienced senior clinical specialist audiologist and hearing aid consultant with over 20 years of expertise. He offers his services across Surrey, London and Haywards Heath, where he is known for his exceptional proficiency in treating hearing loss and tinnitus alongside audiometry and tympanometry tests. He also has expertise in paediatric ENT and vertigo.

As the founder of Audiology Plus LTD, Mr Swiatek operates private hearing clinics at Ashtead Hospital, Spire St Anthony's Hospital and Fountain Therapies. His dedication to patient care extends to his NHS role at Croydon Health Service NHS Trust, where he serves as a senior clinical specialist audiologist.

With qualifications including a BSc (Hons) in Hearing Science from Anglia Ruskin University and training in Clinical Physiology and Audiology from Middlesex University, Mr Swiatek possesses comprehensive knowledge in audiological assessment and hearing aid technology. He excels in paediatric hearing assessment and has the social skills to effectively communicate with patients of all ages, ensuring their needs are met with compassion and expertise.

Mr Swiatek is a registered member of the Registered Council for Clinical Physiologists (RCCP) and a hearing aid dispenser registered with the Health and Care Professions Council (HCPC). He has previously served as a Team Leader of Audiology Services and has received recognition for his commitment to excellence in audiological care.

In addition to his clinical work, Mr Swiatek has made significant contributions to audiology research, focusing on enhancing treatment outcomes for patients with hearing impairment. His dedication to advancing the field of audiology has earned him accolades and awards for his outstanding service and dedication to patient well-being.

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