Academic Qualifications

• MBBS / 1999 / University of Sri Jayewardenepura / Sri Lanka
• MS (Surgery) / 2007 / Postgraduate Institute of Medicine University of Colombo / Sri Lanka

Professional Qualifications

• MRCS, Royal College of Surgeons of England, UK
• Diploma in Laparoscopic Surgery, University of Strassburg – France

Memberships in Professional Organizations

• Sri Lanka Medical Council
• General Medical Council of UK
• Australian Medical Council – Conditional Registration
• The college of Surgeons of Sri Lanka
• International Hepato-Pancreato-Billiary Association
• International Federation of Surgery for Obesity (IFSO)
• Sri Lanka Medical Association
• Sri Lanka Society of Gastro-enterology

• Consultant General Surgeon – Special interest in Upper Gastro-intestinal Surgery (Oncological Surgery and Bariatricand Metabolic Surgery)
• Special interest in teaching minimal invasive surgical techniques (Endoscopic Surgery and Endotherapy for Pancreatic and Billiary disease)

Google Scholar Link

https://scholar.google.com/citations?user=TU36vYIAAAAJ&hl=en

Publications and Scientific Communications

Publications – Books

• Is Your Colostomy a Problem? (Co-Authored with Prof Dayasiri Fernando) ISBN Number – ISBN 978/955/35719/0/8
• A step -by -step guide for patients awaiting weight loss Surgery – ISBN Number – ISBN 978/955/35719/1/5
• What you should know about obesity Surgery – A guide for patients and Doctors on weight loss Surgery
  ISBN Number – ISBN 978/955/35719/2/2

Publications – Journals

• Fluctuating Serum Amylase Levels in A Patient with Pancreatic Ascites.
  Nandasena RGMS, Wijerathne WGDTK, de Silva WMM. Ceylon Medical Journal. 2015 Dec; Vol 60, Issue 4, pp. 161-162.
  Ceylon Medical Journal (CMJ): [4 issues per year] is indexed PubMed (Medline)
• Resection of Colorectal Liver Metastases: Single Unit Experience in Sri Lanka
  Pathirana A, Wijerathne T, Siriwardana RC, Samaeasekara RPN, Werahara WML. Ceylon Medical Journal, 2010 May 6.
  Ceylon Medical Journal (CMJ): [4 issues per year] is indexed PubMed (Medline)
• Corrosive Acid Injury of the Stomach
  Wijeratne T, Ratnatunga C, Dharrmapala A, Samarasinghe T. Ceylon Medical Journal, 2015 March; Vol 60, Issue 1, pp. 25-27.
  Ceylon Medical Journal (CMJ): [4 issues per year] is indexed PubMed (Medline)
• Diagnosis and Management of Gastric Leaks After Laparoscopic Sleeve Gastrectomy for Morbid Obesity
  Tan JT, Kariyawasam S, Wijeratne T, Chandraratna HS. Obes Surg, 2009 Nov; (DOI:10.1007/s11695-009-0020-7).
• Pringle Manoeuvre Versus Selective Hepatic Vascular Exclusion: Outcome of a Case Series in A Tertiary Referral Centre.
  Wijesurendere CN, Silva FHDS, Pathirana AA, Wijeratne T. Ceylon Medical Journal, 2014 Dec; Vol 59, Issue 4, pp. 139-140.
  Ceylon Medical Journal (CMJ): [4 issues per year] is indexed PubMed (Medline)
• Effect of bariatric surgery on the severity of obstructive sleep apnoea in patients at a tertiary referral centre – A preliminary analysis
  Undugodage, P Samarasingha, T Wijerathne, M Danasuriya
  Sleep Medicine, 2017 Dec; Vol 40, Supplement 1, pp e331
• Surgery for obesity and “metabolic syndrome” in Asia
  Thejana Wijerathne, Uditha Bulugahapitiya, Dimuthu Muthukuda
  Research work presented in National/international conferences and published in abstract form in national/ international journals
• Benign HPB Diseases
  Common Bile Duct Calculi – Sri Lankan experience.
  J.D. Jayasinghe, W.M.M. De Silva, T. Wijeratne, B.D. Gamage, C.P. Punchihewa.
  APHPB-0464 – 2015
• Malignant HPB Diseases
  Value of Alfa-Feto protein in the Diagnosis of Hepatocellular carcinoma (HCC) in a developing country.
  Karunaratne, T. Samarasinghe, R. Jayawardene, T. Wijeratne and A. Pathirana.
• Multidisciplinary team (MDT) meetings: Does it improve the diagnostic accuracy of Hepato Biliary and pancreatic Cancers?
  M Harryprashath, SADVR Senaratne, IT Ramanayake, S Sutharsan,P Wijesinghe, HKKT Duminda,DMT Fernando, AA Pathirana, TK Wijeratne, SRE Wijesuriya, CH LIyanage, DD Ranasinghe, A Epa, RS Prasad, S Heetiarchchi, D Gunasekara
  Annual academic sessions of college of surgeons of Sri Lanka 2011 and joint academic meeting with the Royal College of Surgeons of Edinburgh and The Federation of Association of Paediatric Surgeons of SAARC countries.
• Radical bile duct excision in combination with liver resection: Is it an option for hilar cholangiocarcinoma (Klatskin tumour)?
  SRE Wijesuriya, AA Pathirana,WGDTK Wijeratne, RGMS Nandasena, KT Gallenkankanamge, CH Liyanage, N Jayatunge
  Annual academic sessions of college of surgeons of Sri Lanka 2011 and joint academic meeting with the Royal College of Surgeons of Edinburgh and The Federation of Association of Paediatric Surgeons of SAARC countries
• Outcome of patients with cholangiocarcinama presenting to a tertiary referral centre: A descriptive study
  SADVR Senaratne, IT Ramanayake, MA Faleel, RGMS Nandasena, KT Gallekankanamge, WGDTK Wijeratne, WMM De Silva
  Annual academic sessions of college of surgeons of Sri Lanka 2011 and joint academic meeting with the Royal College of Surgeons of Edinburgh and The Federation of Association of Paediatric Surgeons of SAARC countries.
• Liver resection for non colo-rectal liver metastasis- early experience
  AA Pathirana, WGDTK Wijerathne, SRE Wijesuriya, RGMS Nandasena, KT Gallekankanamge, CH Liyanage
  Annual academic sessions of college of surgeons of Sri Lanka 2011 and joint academic meeting with the Royal College of Surgeons of Edinburgh and The Federation of Association of Paediatric Surgeons of SAARC count
• Hilar Cholangiocarcinama – From nihilism to aggressive treatment
  Chandika liyanage, Mettananda Navaratne, Rahan Siriwardena, Ruwan Wijesuriya, Malinda Bogammana, Thejana Wijeratne, Ravikant Prasad, Lakmali Paranahewa, Dehan Gunasekara, Aloka Pathirana.
  Annual academic sessions of college of surgeons of Sri Lanka 2012 and joint academic meeting with the Royal College of Surgeons of Edinburgh and The Federation of Association of Paediatric Surgeons of SAARC countries.
• Hepatectomy for benign lesions – A descriptive study
  JASB Jayasundara, AA Pathirana, T Wijerathne, KK Wijenayaka
  University surgical unit, Colombo south teaching hospital
  Poster Presentation, Annual Academic Sessions 2009, the College of Surgeons of Sri Lanka and the international conference of the SAARC surgical care society
• Safety and efficacy of extracorporeal shock wave lithotripsy for pancreatic stones- A descriptive study
  BKS Bulathsinhala, TK Wijeratne, PS Hettiarachchi
  Abstracts of the 46^th Annual Academic sessions – 2017 of the College of Surgeons of Sri Lanka and Joint International Conference with the Royal College of Surgeons of Edinburgh and the SAARC surgical care society
• A young woman with tuberculosis infection of a bronchial cleft cyst (Cervical lymphoepithelial cyst)
  Nanayakkara GS, Wijertane T, Weerasekara D
  39^th Annual academic sessions, Feb 2017
  The Kandy Society of Medicine
• Hurricaine Balloon Dilation of Biliary Strictures – Is It a Risk Factor For Post ERCP Pancreatitis
  Wijerathne T, Gamage B, de Silva M, Nanayakkara G, Samarasinghe T, Alahakoon C.
  Poster Presentation [PP 13], 43^rd Annual Academic Sessions, the College of Surgeons of Sri Lanka and Joint Meeting with the Royal College of Surgeons of Edinburgh, (2014), Colombo Sri Lanka
• Management of Symptomatic Primary Hyperparathyroidism Diagnosis, Localization & Surgical Treatment: A Retrospective Analysis.
  Gamage B, Wijerathne T, Bulugahapitiya U, Karunasena N, Katulanda P, Samarasinghe TM.
  Poster Presentation [PP 34], 43^rd Annual Academic Sessions, the College of Surgeons of Sri Lanka and Joint Meeting with the Royal College of Surgeons of Edinburgh, (2014), Colombo Sri Lanka.
• Does Background Cirrhosis Affect Immediate Post-Operative Outcome after Major Hepatic Resection for Hepatocellular Carcinoma (HCC)?
  Pathirana AA, Wijerathne T, Jayawardena MRNC, Samarasinghe TM, Karunaratne NPN, Punchihewa CP.
  Poster Presentation [PP 35], 43^rd Annual Academic Sessions, the College of Surgeons of Sri Lanka and Joint Meeting with the Royal College of Surgeons of Edinburgh, (2014), Colombo Sri Lanka.
• The Analysis of Anthropometric Measurements amongst Patients with Paraumbilical Hernia in the Sri Lankan Population.
  Ghouse MS, Wijerathne T, Niroshana GAL, Karunaratne NPN, Jayasinghe JAMR, Nandasena GMS, Samarasinghe TM, Kanchana JLS, Jayawardena MRNC.
  Poster Presentation [PP 62], 43^rd Annual Academic Sessions, the College of Surgeons of Sri Lanka and Joint Meeting with the Royal College of Surgeons of Edinburgh, (2014), Colombo Sri Lanka.
• Total Mesocolic Excision and Central Vascular Ligation in Tertiary Care Center.
  Weerasekera DD, Pathirana AA, Wijerathne T, Gamage BD, Duminda HKKT, Kamaladasa A, Harivallavan N.
  ePoster Presentation [EP 19], 44^th Annual Academic Sessions, the College of Surgeons of Sri Lanka and Joint Meeting with the Royal College of Surgeons of Edinburgh, (2015), Colombo Sri Lanka.
• Evaluation of Ultrasound Findings in Diagnosis of Acute Appendicitis.
  Swarnan SA, Wijerathne T, Samarasinghe TM, Duminda HKKT, Bandara DPGL, Harivallavan N.
  ePoster Presentation [EP 31], 44^th Annual Academic Sessions, the College of Surgeons of Sri Lanka and Joint Meeting with the Royal College of Surgeons of Edinburgh, (2015), Colombo Sri Lanka.
• Successful Use of NAGI Stent for The Management of Pancreatic Pseudocyst.
  Wijerathne T, Pathirana AA, Manawasinghe DS, de Silva WSL, Herath DA.
  Poster Presentation [PP 11], 44^th Annual Academic Sessions, the College of Surgeons of Sri Lanka and Joint Meeting with the Royal College of Surgeons of Edinburgh, (2015), Colombo Sri Lanka.
• Value of Alpha Feto-Protein in the Diagnosis of Hepatocellular (HCC) in a developing country.
  Wijerathne T, Pathirana AA, Herath DA, Hirantha HD, de Silva WSL.
  Poster Presentation [PP 30], 44^th Annual Academic Sessions, the College of Surgeons of Sri Lanka and Joint Meeting with the Royal College of Surgeons of Edinburgh, (2015), Colombo Sri Lanka.
• Management of Traumatic Pancreatic Transection – Experience in a Single Surgical Unit.
  Niroshana GAL, Nandasena RGMS, Opatha OKDST, Wijerathne T, de Silva WMM.
  Poster Presentation [PP 24], Faculty of Medical Sciences, University of Sri Jayewardenepura, Scientific Sessions, 2015, Boralesgamuwa, Sri Lanka.
• Surgical aspects of thyroid and pancreatic disease
  GS Nanayakkara, SM Ruhunage, M De Silva, A Pathirana, D Weerasekara, B Gamage, T Wijeratne
  5^th Annual academic sessions and 5^th SAARC diabetes conference 2013 of endocrine society of Sri Lanka.
• Pregnancy complicated with bowel injury of unknown aetiology. Surgical aspects
  Nanayakkara GS, Wijertane T
  4^th PGIM Academic sessions July 2013
• Long term outcome of hepatico-jejunostomy with gastric access loop for iatrogenic biliary injuries and factors associated with the need for revision reconstruction.
  A.S.B. Jayasundara1, B.K. Dissanayake, E.M.D.N.K. Ekanayake, T.K. Wijeratne, A.A. Pathirana1.
  BJS 2017;104(s6): 13-82
  Colombo South Teaching hospital, Kalubowila , Sri Lanka.
• Liver resection in patients with cirrhosis: Safety profile in a general surgical setting.
  G.D.T.K.Wijeratne , A.A. Pathirana, S.R.E. Wijesuriya, RGMS Nandasena,KT Gallekankanamge,CH Liyanage, VDV Goonewardena
  Colombo South Teaching hospital, North Colombo Teaching Hospital
  Annual academic sessions of college of surgeons of Sri Lanka 2011 and joint academic meeting with the Royal College of Surgeons of Edinburgh and The Federation of Association of Paediatric Surgeons of SAARC countries.
• Does precut accessotomy reduce unintended pancreatic duct cannulation in endoscopic retrograde cholangio pancreatography? A single endoscopist’s experience
  PGN Ruwinda, KAPR Kumarasinghe, DGS Udayanga, T Wijertne
  Abstracts of the 46^th Annual academic sessions -2017 of the College of Surgeons of Sri Lanka and Joint International Conference with The Royal College of Surgeons of Edinburgh and the SAARC surgical care unit.
• Chemical profile of common bile duct stones in Sri Lanka
  WSL De Silva, AA Pathirana, TK Wijeratne, JGS Ranasinghe, IU Wijethungaarachchi, TRI Weerasinghe, HMTGA Pitawala, BK Dassanayake, SUB Tennakoon
  Abstracts of the 46^th Annual academic sessions -2017 of the College of Surgeons of Sri Lanka and Joint International Conference with The Royal College of Surgeons of Edinburgh and the SAARC surgical care unit.
• Total Laparoscopic Bariatric Surgery for Morbid Obesity and Metabolic Syndrome in Sri Lanka – Short Term Outcome and Technical Feasibility in A Single Center.
  Wijeratne TK, Kumarage S, Bulugahapitiya U, Katulanda P, Rajaratnam HN, Abeysinghe BP
  Oral Presentation [OP 1.2], 43^rd Annual Academic Sessions, the College of Surgeons of Sri Lanka and Joint Meeting with the Royal College of Surgeons of Edinburgh, (2014), Colombo Sri Lanka.
• Symptomatic Primary Hyperparathyroidism: a Retrospective Analysis in a Tertiary Care Centre
  Gamage B, Wijerathne T, Bulugahapitiya U, Karunasena N, Katulanda P, Samarasinghe T.
  Oral Presentation [OP 2.2], 43^rd Annual Academic Sessions, the College of Surgeons of Sri Lanka and Joint Meeting with the Royal College of Surgeons of Edinburgh, (2014), Colombo Sri Lanka.
• A Descriptive Analysis of Endoscopic Retrograde Cholangiography Patients with Suspected Common Bile Duct Calculi Referred to a Tertiary Hepatobiliary Centre In Sri Lanka.
  Jayasinghe DJD, Wijerathne T, de Silva WMM, Abeysinghe AAG, Punchihewa CP, Karunaratne NPN, Gamage BD.
  Oral Presentation [OP 9.5], 43^rd Annual Academic Sessions, the College of Surgeons of Sri Lanka and Joint Meeting with the Royal College of Surgeons of Edinburgh, (2014), Colombo Sri Lanka.
• Five Year Survival after Resection of Colorectal Liver Metastasis – Analysis of a Cohort Of 50 Patients.
  Pathirana AA, Wijerathne T, Samarasinghe TM, Jayawardena MRNC, Karunaratne NPN, Punchihewa CP.
  Oral Presentation [OP 5.1], 43^rd Annual Academic Sessions, the College of Surgeons of Sri Lanka and Joint Meeting with the Royal College of Surgeons of Edinburgh, (2014), Colombo Sri Lanka.
• Outcomes of Consecutive 127 Liver Resections in a Single Tertiary Care Centre
  Wijerathne T, Pathirana AA, Samarasinghe TM, Jayawardena MRNC, Punchihewa CP, Jayathilaka ADPDZ, Deraniyagala MP.
  Oral Presentation [OP 5.2], 43^rd Annual Academic Sessions, the College of Surgeons of Sri Lanka and Joint Meeting with the Royal College of Surgeons of Edinburgh, (2014), Colombo Sri Lanka
• Non cirrhotic hepatomas: Experience of the disease pattern in two centres
  CAH Liyanage, MMMP Bogamuwa, SRE Wijesuriya, S Abeygunawardena, T Wijerathne, AA Pathirana, RC Siriwardena
  Oral Presentation [OP 1.46], Annual Academic Sessions, the College of Surgeons of Sri Lanka and Joint Meeting with the Royal College of Surgeons of Edinburgh, (2012), Colombo Sri Lanka
• Laparoscopic Cholecystectomy – Is it safe in the hands of trainees?
  FHDS Silva, T Wijerathne, AA Pathirana, H Ahamed, A Nazaar
  University surgical unit, Colombo south teaching hospital, Sri Lanka
  Freemantle hospital, Western Australia, Australia
  Oral Presentation [OP 1.2.4], Annual Academic Sessions 2009, the College of Surgeons of Sri Lanka and the international conference of the SAARC surgical care society
• Pringles Maneuver versus selective vascular exclusion in major hepatectomies – is there a difference in outcome?
  C Wijesuredere, AA Pathirana, T Wijerathne, FHDS Silva
  University surgical unit, Colombo south teaching hospital, Sri Lanka
  Oral Presentation [OP 3.3.5], Annual Academic Sessions 2009, the College of Surgeons of Sri Lanka and the international conference of the SAARC surgical care society
• Peroperative cholangiography; What does it contribute?
  FHDS Silva, T Wijerathne, AA Pathirana, H Ahamed, A Nazaar, RPN Samarasekera
  University surgical unit, Colombo south teaching hospital, Sri Lanka
  Freemantle hospital, Western Australia, Australia
  Oral Presentation, Annual Academic Sessions 2009, the College of Surgeons of Sri Lanka and the international conference of the SAARC surgical care society
• Outcome of hepatic resection for colorectal metastases
  AA Pathirana, T Wijerathne, RPN Samarasekera, WML Werahera
  Oral Presentation [OP 2.3.1], Annual Academic Sessions 2009, the College of Surgeons of Sri Lanka and the international conference of the SAARC surgical care society
• Pancreatico Gastrostomy- A safe alternative to Pancreatico Jejunostomy after Pancreaticoduodenectomy
  MSM Rizny, WGDTK Wijerathne, AA Pathirana
  Oral Presentation [OP 3.3.3], Annual Academic Sessions 2009, the College of Surgeons of Sri Lanka and the international conference of the SAARC surgical care society
• An Audit of surgical wound infection
  TK Wijerathne, AA Pathirana
  Oral Presentation [OP 38], International Conference and Annual Scientific Sessions, the College of Surgeons of Sri Lanka (2001)
• Does Juxtapapillary duodenal diverticulae predispose to formation of primary bile duct stones?
  T Wijerathne, Mohan de Silva, Aloka Pathirana, Dayasiri Fernando
  Department of surgery, Faculty of medical sciences, University of Sri Jayewardenepura, Sri Lanka
  Oral Presentation, Annual Sessions, College of Surgeons Sri Lanka: SAARC surgical care society (2003)

Awards

• E Seneviratne Award for young investigator – College of Surgeons sessions 2001

Other Faculties of University of Sri Jayewardenepura

• Faculty of Allied Health Sciences

Other Universities

• Postgraduate Institute of Medicine