• Surgery
• Clinical Anatomy

• Emergency Surgery
• Biliary & Pancreatic Surgery
• Endotherapy
• Peritoneal carcinomatosis

Editorial Work

1. Editor, Suture -Newsletter of College of Surgeons of Sri Lanka
2. Member, Editorial Board, Sri Lanka Journal of Surgery

Referred Journal Articles

1. De Silva WDD, Ubayasiri RA, Weerasinghe CW, Wijeyaratne SM. Challenges in the management of extremity vascular injuries: A wartime experience from a tertiary centre in Sri Lanka. World Journal of Emergency Surgery 2011, 6:24 doi: 10.1186/1749-7922-6-24
2. De Silva WMM, Sivananthan S, De Silva D, Fernando N. Biliary tract injury during cholecystectomy: A retrospective descriptive review of clinical features, treatment and outcome. Ceylon Medical Journal 2006; 51 (4):132-6
3. De Silva, Dulantha, Antony, Thanenthiren, Selvasekar, Chelliah. An overview of Cytoreductive Surgery and Heated Intra-Peritoneal Chemotherapy in the management of peritoneal surface malignancy. British International Doctors Association 2019; 25(2):18-20
4. Pragatheswaran P, Abeysekera WYM, De Silva WDD, Banagala ASK. Hypercholesterolaemia in patients with symptomatic gallstones. Sri Lanka Journal of Surgery 2014; 32(4):17-18
5. De Silva WDD, Abeysekera WYM, Wijayagunawardane S, De Silva AN, Liyanage CA, Banagala ASK. Small bowel obstruction due to herniation between rectus muscles following peritoneal non-closure of a Pfannenstiel incision. Journal of Gynecologic Surgery 2012; 28(4): 290-291
6. Abeysekera WYM, De Silva WDD, Pinnaduwa SS, Banagala ASK. Acute Massive Splenic Infarction with Splenic Vein Thrombosis Following Altitude Exposure of a Sri Lankan Male with Undetected Sickle Cell Trait. High Altitude Medicine & Biology 2012; 13:288-290.
7. Abeysekera WYM, De Silva WDD, Ginige AP, Pragatheswaren P, Kuruppumullage RP, Banagala ASK. Solid Pseudopapillary Tumour of Pancreas with a Metachronous Papillary Microcarcinoma of Thyroid. World Journal of Surgical, Medical and Radiation Oncology 2012; 1:44-5
8. Abeysekera WYM, De Silva WDD, Pragatheswaren P, Somaratne KMK, Banagala ASK. Brunneroma presenting with radiological features of duodeno-duodenal intussusception. Sri Lanka Journal of Surgery 2012; 30:36-38
9. Abeysekera WYM, De Silva WDD, Chandrapalan S, Pragatheswaran P, Banagala ASK. Abdominal pain and jaundice: Beware of the perforated appendix. Galle Medical Journal 2012; 17(2): 35-36
10. Pragatheswaren P, de Silva WDD, Abeysekera WYM, Banagala ASK. Obstructive jaundice and cholangitis due to Ascariasis. Sri Lanka Journal of Surgery 2011; 29:106-107
11. De Silva WDD, Samarasinghe MC, Dias MNJR, Perera CS. Ectopic gastric and pancreatic tissue: A rare cause of umbilical discharge. Annals of Tropical Paediatrics 2010; 30: 73-75
12. De Silva WDD, Kumara MTGJ, De Silva WMM. An unusual cause of cervical dysphagia. Sri Lanka Journal of Surgery 2010; 28(2):25-26.
13. De Silva WDD, De Soysa MSM, Perera BL. Iatrogenic Horner's syndrome: A rare complication of thyroid surgery. Ceylon Medical Journal 2010; 55 (4): 136
14. WDD De Silva, CR Selvasekar, NA Stylianides, B Chakrabarty, PE Fulford, AG Renehan, MS Wilson, ST O'Dwyer. Management of Anal Melanoma. Colorectal Disease 2013; 15( S1): 14 (Abstract publication)
15. D De Silva, ST O'Dwyer, MS Wilson, M Saunders, AG Renehan. Colostomy prior to chemo-radiotherapy for anal cancer: Almost always permanent. Colorectal Disease 2013; 15 (S1): 28 (Abstract publication)
16. M De Silva, WDD De Silva, RE Wickramarachchi, SK Chandrasekera . Is objective guided learning better than self-directed learning towards improving student attitudes to patient care- Ceylon Medical Journal 2007; 52: (S1) (Abstract publication)
17. Abeysekera WYM, De Silva WDD, Ginige AP, Pragatheswaran P, Hewage SK, Banagala ASK. An isolated tuberculous liver abscess in a non-immunocompromised patient. Journal of the College of Physicians and Surgeons of Pakistan 2013; 23:667-669
18. WDD de Silva, WYM Abeysekera, SPW Palagama, S Wijegunawardene, P Wijesinghe, ASK Banagala. Effect of delay to surgery on peri-operative outcome in acute appendicitis. Sri Lanka Journal of Surgery 2013; 31 (S1):32 (abstract)
19. Abeysekera WYM, De Silva WDD, Vithanage KS, Ranasinghe HKTM, Banagala ASK. Chronic Pain following Lichtenstein tension free inguinal hernia repair Galle Medical Journal 2013; 18(2): 1-6

Journal Abstracts

1. RE Ediriweera de Silva, Chamal Fernando, Shreenika de Silva, KDKG Gunathilake, WDD de Silva, MR Haniffa. Patient Safety:attitudes and knowledge among medical students. WONCA (SAR) International conference, 11th-14th February 2016, Colombo, Sri Lanka.
2. WDD De Silva, CR Selvasekar, NA Stylianides, B Chakrabarty, PE Fulford, AG Renehan, MS Wilson, ST O'Dwyer. Management of Anal Melanoma. Selected for presentation at the annual scientific meeting of the Association of Coloproctologists of Great Britain & Ireland, Liverpool, England, July 2013
3. Dulantha De Silva, Sarah T O'Dwyer, Malcolm S Wilson, Mark P Saunders, Andrew G Renehan. Colostomy prior to chemo-radiotherapy for anal cancer: Almost always permanent. Selected for presentation at the annual scientific meeting of the Association of Coloproctologists of Great Britain & Ireland, Liverpool, England, July 2013
4. Nicholas A Stylianides, Dulantha de Silva, Chelliah R Selvasekar, Paul E Fulford, Malcolm S Wilson, Andrew G Renehan, Sarah T O'Dwyer. Feasibility of minimally invasive multi-visceral resections at a tertiary cancer centre. Presentation at the Sylvia Lawler Prize meeting of the Royal Society of Medicine, London, England June 2013
5. WDD De Silva, CR Selvasekar, PE Fulford, AG Renehan, MS Wilson, ST O'Dwyer. Laparoscopic Cytoreductive Surgery and Hyperthermic Intra-peritoneal Chemotherapy for LAMN II appendiceal lesions. Presentation at the 8th World Congress on Peritoneal Surface Malignancies, Berlin, Germany, October 2012
6. WSM Wickramasinghe, WMID Nakkawita, KDW Wijenayake, WDD de Silva. A rare case of upperlimb cellulitis and sepsis caused by Sphingomonas paucimobillis in a diabetic patient. Poster presentation, Colombo Medical Congress 2022.
7. RE Ediriweera de Silva, Chamal Fernando, Shreenika de Silva, KDKG Gunathilake, WDD de Silva, M R Haniffa. Patient Safety: attitudes and knowledge among medical students. WONCA (SAR) International conference, 11th-14th February 2016, Colombo, Sri Lanka.
8. WDD De Silva, CR Selvasekar. Laparoscopic Mesh Repair of Parastomal Hernia. Video presentation at the Annual Scientific Meeting of the British Hernia Society, Manchester, England, October 2012
9. WDD De Silva, WYM Abeysekera, SPW Palagama, S Wijayagunawardene, MP Wijesinghe, ASK Banagala. The effect of delay to surgery on peri-operative outcome in acute appendicitis. Oral presentation at the Annual academic sessions of the College of Surgeons of Sri Lanka, August 2013
10. RE Ediriweera de Silva, P Fernando, LDS Liyanage, E Premarathne, WDD de Silva, K Maddumabandara. A preliminary study on knowledge on breast cancer and screening practices for breast and cervical cancers, among female patients attending Family Practice clinics in Sri Lanka. Presentation at the Annual Primary Care Conference of the Royal College of General Practitioners of UK, Liverpool, England, October, 2011
11. WYM Abeysekera, WDD De Silva, ASK Banagala. Incidence, severity and site of chronic pain following Lichtenstein tension free mesh repair. Presentation at the Annual academic sessions of the College of Surgeons of Sri Lanka, August 2012
12. WDD de Silva, RA Ubayasiri, CW Weerasinghe, SM Wijeyaratne. Management of peripheral vascular trauma: A seven month single unit experience. Oral presentation at the Annual academic sessions of the College of Surgeons of Sri Lanka, August 2008. Awarded the Dr. S.A. Ediriweera Award for best paper in trauma
13. KAAS Dharmawardhane, SA Seneviratne, IT Ramanayake, WDD de Silva, K Sairam, DN Samarasekera, MIM de Zoysa. Unusual causes of upper gastrointestinal bleeding. Poster presentation at the Annual academic sessions of the College of Surgeons of Sri Lanka, August 2008
14. M De Silva, WDD De Silva, RE Wickramarachchi, SK Chandrasekera . Is objective guided learning better than self-directed learning towards improving student attitudes to patient care? Oral presentation at Annual Academic sessions of the Sri Lanka Medical Association, March 2007
15. S. Sivananthan, Dulantha de Silva, Nihal Fernando, Mohan de Silva. Cholecystectomy associated biliary tract injury: An experience from a tertiary referral centre in Sri Lanka. Oral presentation at the Annual academic sessions of the College of Surgeons of Sri Lanka, August 2006

Unpublished Papers

1. Diagnosis of Brachial Cleft Cyst Carcinoma: Burden of proof beyond reasonable doubt
2. Course Tutor, Basic Course in Emergency Care (BCEC), General Sir John Kotelawala Defence University & Ministry of Health, Sri Lanka

• KDU Research grant 2021 (Principal investigator)
• KDU Research grant 2020 (Co-investigator)
• Dr S.A. Ediriweera Award for the Best Paper on Trauma Annual academic sessions of the College of Surgeons of Sri Lanka, August 2008

• Life Member, College of Surgeons of Sri Lanka
• Secretary General of the SAARC Surgical Care Society
• Fellow of the Royal College of Surgeons of England
• Fellow of the Royal College of Surgeons of Edinburgh
• Fellow of the Academy of Asian Collaboration for Trauma
• Member of the International Surgical Society
• Course trainer, National Trauma Management Course (Sri Lanka) of the
• International Society of Trauma and Intensive Care (IATSIC)
• Life Member, Sri Lanka Medical Association
• Life Member, Sri Lanka Society of Critical Care and Emergency Medicine
• Life Member, Nutrition Society of Sri Lanka

• Head, Surgery, General Sir John Kotelawala Defence University
• Chairperson, Internal Quality Assurance Cell, Faculty of Medicine, KDU
• Member, Curriculum Development and Evaluation Committee
• Clinical Coordinator, Faculty of Medicine (2022-23)
• Consultant Surgeon, University Hospital KDU
• Head of Endoscopy Service, University Hospital KDU
• Member, Hospital Management Committee, UHKDU (2018-23)
• Visiting lecturer, Faculty of Allied Health Sciences, KDU -Nursing, Physiotherapy