- Fee assured
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- Inflammatory bowel disease
Dr Ana (Ignjatovic) Wilson is a luminal gastroenterologist and specialist gastrointestinal endoscopist. Her specialist interests include general gastroenterology and early diagnosis, prevention and treatment of pre-cancerous lesions and cancer, through colonoscopy, in patients with inflammatory bowel disease and those at increased risk of developing colorectal cancer. She also leads the service for managing patients with consequences of cancer treatment including radiation proctopathy and anterior resection syndrome.
Dr Wilson also manages all aspects of gastrointestinal disorders including inflammatory bowel disease and functional bowel disorders, including irritable bowel syndrome, food allergy and intolerance. She sees patients presenting with varied symptoms, including abdominal pain, bloating, rectal bleeding and weight loss amongst others.
Dr Wilson qualified from University of Oxford in 2002. She obtained Membership of the Royal College of Physicians in 2005 and trained in gastroenterology and general internal medicine in Oxford. She spent three years at the Wolfson Unit for Endoscopy, St Mark's Hospital undertaking research in the use of colonoscopy in diagnosis and treatment of pre-cancerous lesions under the supervision of Prof Brian Saunders that led to an MD thesis at the Imperial College, London, and has published widely on the subject. After completing her training, Dr Wilson specialised further in management of complex inflammatory bowel disease and endoscopy at University College Hospital, London. She was appointed as Consultant Gastroenterologist and Specialist Endoscopist at St Mark's Hospital in December 2012. There she developed a service managing patients who experience gastrointestinal complications of cancer treatment (particularly after treatment for prostate, colon and gynaecological cancer). Since 2017 she has worked at The Royal Marsden hospital, leading GIANT (Gastrointestinal and Nutrition Team).
She has been an invited speaker at numerous national and international meetings and has contributed to a number of guidelines. Dr Wilson has active research in two main areas - management of pre-cancerous lesions in colitis and functional outcome and quality of life after cancer treatment.
Areas of interest
Change in bowel habit (constipation / diarrhoea); Rectal bleeding; Abdominal pain / bloating; Colon and rectal (Bowel) Cancer; Irritable bowel syndrome (IBS) • Dyspepsia (indigestion-heart burn); Food intolerance; Endoscopy(OGD); Bowel Cancer Screening (Nationally accredited), Screening colonoscopy; Inflammatory bowel disease; Crohn's disease; Ulcerative colitis; Coeliac disease • Cancer of colon and rectum • Food allergies
- Natalie Goble
- KMS Wagon Lodge Court Lodge Farm Forge Lane MAIDSTONE ME15 0HQ
- 020 7478 1665
- 01622 620921
Anaesthetists worked with
- Dr Michael Brunner Fee Assured
Current NHS consultant posts held
Consultant Gastroenterologist and Specialist Endoscopist, St Mark's Hospital, Harrow
Honorary Senior Clinical Lecturer, Imperial College, London
Royal Marsden Hospital, London
1. Improving function and quality of life in patients who have had treatment for cancer
2. Management of precancerous areas in long standing colitis
I enjoy spending time with my family and when time allows reading, theatre, yoga and travel.
MD Imperial College 2012
"Recognition of colonic dysplasia at colonoscopy using advanced technology"
Honorary Senior Clinical Lecturer, Imperial College, London, 2013
(Additional) Languages spoken
- Bosnian - Native or bilingual
- Croatian - Native or bilingual
- Serbian - Native or bilingual
Repici A, Wallace MB, East JE, Sharma P, Ramirez FC, Bruining DH, Young M, Gatof D, Canto MIM, Marcon N, Cannizzaro R, Kiesslich R, Rutter M, Dekker E, Siersema PD, Spaander M, Kupcinskas L, Jonaitis L, Bisschops R, Radaelli F, Bhandari P, Wilson A, et al. Efficacy of per-oral Methylene Blue Formulation For Screening Colonoscopy. Gastroenterology 2019
Bisschops R, Bessissow T, Dekker E, East JE, Para-Blanco A, Ragunath K, Bhandari P, Rutter M, Schoon E, Wilson A, et al Pit pattern analysis with high-definition chromoendoscopy and narrow-band imaging for optical diagnosis of dysplasia in patients with ulcerative colitis. Gastrointest Endosc 2017;
Rees CJ, Rajasekhar PT, Wilson A, et al.Narrow band imaging optical diagnosis of small colorectal polyps in routine clinical practice: the Detect Inspect Characterise Resect and Discard 2 (DISCARD 2) study. Gut. 2017 May;66(5):887-895
Rameshshanker R, Wilson A. Electronic Imaging in Colonoscopy: Clinical Applications and Future Prospects. Curr Treat Options Gastroenterol. 2016 Mar;14(1):140-51.
Wilson A. Optical diagnosis of small colorectal polyps during colonoscopy:
when to resect and discard? Best Pract Res Clin Gastroenterol. 2015 Aug;29(4):639-49.
Wilson A, Saunders BP. Position change during colonoscopy: the oldest and best trick in the book. Gastrointest Endosc. 2015 Sep;82(3):495-6.
Wilson AI, Saunders BP. New paradigms in polypectomy: resect and discard, diagnose and disregard. Gastrointest Endosc Clin N Am. 2015
Papay P, Ignjatovic A et al. Optimising monitoring in the management of Crohn's disease: a physician's perspective.
J Crohns Colitis.2013
East JE, Ignjatovic A, et al. A randomized, controlled trial of narrow-band imaging vs high-definition white light for adenoma detection in patients at high risk of adenomas. Colorectal Dis. 2012;
Ignjatovic A, et al. Development and validation of a training module on the use of narrow band imaging in differentiation of small adenomas from hyperplastic colorectal polyps. Gastrointest Endosc 2011;
Ignjatovic A, et al. Characterisation of colonic polyps: White light, autofluorescence, and narrow band imaging with or without magnification. Endoscopy 2011;
Ignjatovic A, et al. Optical diagnosis of small colorectal polyps at routine colonoscopy: Detect InSpect ChAracterise Resect and Discard (The DISCARD Trial): a prospective analysis. Lancet
Courses offered to GPs
Please contact secretary.
Talk and seminars on aspects of iron deficiency anaemia, inflammatory bowel disease, functional gut disorders and food intolerances, colonoscopy and prevention of colorectal cancer and management of consequences of colorectal cancer treatment.
Caecal intubation rate 95%
Adenoma detection rate 50% (bowel cancer screening)
Perforation rate 0%
- BA (Hons) Oxford University 1999
- BMBCh Oxford University 2002
- MRCP Royal College of Physicians, London 2005
- MD Imperial College London 2012
- Senior clinical fellow - IBD and Endoscopy University College Hospital London 2012
Reference number 6055432
Professional bodies (positions held - last 3 yrs)
- Colorectal Section British Society of Gastroenterology 2014
Details of entry to specialist register
- Gastroenterology/ General (Internal) Medicine, 2012
Affiliations / memberships
British Society of Gastroenterology
Royal College of Physicians
American Society of Gastrointestinal Endoscopy
- 20 Devonshire PlaceLONDONW1G 6BW
- 13:00 - 17:00
- 020 7478 1665
- London Clinic 116 Harley Street
- 09:00 - 13:00
- 020 7478 1665
Post treatment communication
Following treatment of a Bupa member, I will communicate with GPs in line with Department of Health, GMC and appropriate professional bodies guidelines.
In the event of an urgent query following treatment, Bupa members should use the following contact details
In the event of urgent query after the procedure please contact my secretary on 0207 478 1665 during the hours 8-17.30. After hours please contact St Mark's hospital on 0208 8643232 and ask to speak to RMO covering St Mark's.