Publications

1. Establishment of a stoma care training program for nurses in Sri Lanka and evaluation of its effectiveness. DP Wickramasinghe, AMP Samarasekera, S Senaratne, CS Perera, A Tissera, DN Samarasekera. Sri Lanka Journal of surgery 2015, 33(1), 4-8.

2. Correlation of three dimensional anorectal manometry and three dimensional endoanal ultrasound findings in primi gravida: a cross sectional study. DP Wickramasinghe, CS Perera, H Senanayake, DN Samarasekera, BMC research notes 2015: 8(1), 387.

3. Three-Dimensional Anorectal Manometry Findings in Primigravida. DP Wickramasinghe, CS Perera, H Senanayake, DN Samarasekera. Digestive diseases and sciences, 2015: 1-7.

4. Jejunal obstruction due to a variant of transmesocolic hernia: a rare presentation of an acute abdomen. D Subasinghe, CT Keppetiyagama, DN Samarasekera. BMC surgery 2015, 15(1), 1-4.

5. Structured endoscopic ultrasonography (EUS) training program improved knowledge and skills of trainees: Results from the Asian EUS Group. MH Wang,F Dy ,VK Vu,LG Lim, GU Tayyab, T Ratanachu-Ek, DN Samarasekera, V Dhir, ZD Jin, M Kida, DW Seo, HP Wang, A Teoh, R Hawes, S Varadarajulu, K Yasuda, KY Ho. Digestive Endoscopy. Feb 4 2015

6. Neurofibroma invading into urinary bladder presenting with symptoms of obstructed defecation and a large perineal hernia.D Subasinghe, CT Keppetiyagama, C De Silva, ND Perera, DN Samarasekera. BMC Surg. 2014 Apr 16;14:21

7. Types and patterns of colonic polyps encountered at a tertiary care center in a developing country in South Asia. DP Wickramasinghe, SF Samaranayaka, C Lakmal, S Mathotaarachchi, C Kanishka Lal, C Keppetiyagama,DN Samarasekera. Anal Cell Pathol 2014;2014:248142.

8. Patterns and trends of medical student research. DP Wickramasinghe, CS Perera, S Senarathna,DN Samarasekera. BMC Med Educ. (Dec) 2013; 28;13:175

9. Haemosuccus pancreaticus due to aberrant vessels from the celiac trunk: A rare cause of gastrointestinal bleeding with diagnostic and therapeutic challenges. D Subasinghe, S Sivaganesh, DN Samarasekera. Journal of Surgical Case Reports. JSCR 2012 (Nov);11

10. Proctocolectomy for persistent haematochezia in a patient with Cronkhite-Canada Syndrome. NS Wijekoon, MH Samarasinghe, UA Dalpatadu, M Nuzair, P Pratheepan, DN Samarasekera. Journal of Surgical Case Reports. JSCR 2012(Oct);10:6

11. Intestinal helminths detected in capsule endoscopy. DP Wickremasinghe, DN Samarasekera. Digestive Endoscopy 2012;24(5)388

12. Preoperative anxiety in surgical patients: Experience of a single unit. T. Matthias, DN Samarasekera. Acta Anaesthesiologica Taiwanica 2012; 50:3-6

13. A comparison of endo-anal ultrasound (EAUS) and computed tomography (CT) in staging rectal cancer and in clinical decision making- A preliminary study. DP Wickremasinghe, DN Samarasekera. Ceylon Medical Journal 2012;57(1): 33-35

14. Splenic infarction and spontaneous rupture in a patient with paratyphoid. DP Wickremasinghe, DN Samarasekera.Ceylon Medical Journal 2012; 57(3): 130-131

15. Prosthetic valve endocarditis precipitating bleeding from small bowel angiodysplasia. GND Perera, A Kulatunga, DN Samarasekera. Galle Medical Journal. 2012 Oct;17(2):37-38

16. Capsule endoscopy in the assessment of iron deficiency anaemia and obscure gastrointestinal bleeding. DP Wickremasinghe, IN Gunarathna, DN Samarasekera. The Sri Lanka Journal of Surgery 2011; 29(1): 23-27

17. Factors influencing the approaches to studying of preclinical and clinical students and postgraduate trainees. DP Wickremasinghe, DN Samarasekera BMC Medical Education 2011; 11:22

18. Disease characteristics of inflammatory bowel disease (IBD): Findings from a tertiary care centre in South Asia. D Subasinghe, NNM Navaratne, DN Samarasekera. Journal of Gastrointestinal Surgery 2011;15(9): 1562-1567

19. ERCP for the treatment of traumatic biliobronchial and biliocutaneous fistulas. SG Thrumurthy, AH Anuruddha, MI De Zoysa, DN Samarasekera Endoscopy. 2011;43

20. Unexpected outcome from Trousseau Syndrome SG Thrumurthy, AH Anuruddha, MI De Zoysa, DN Samarasekera BMC-Surgery 2011 Jan 6; 11:1

21. Patterns of approaches to studying of pre-clinical, clinical and post graduate students from a setting in a developing country in Asia. DP Wickramasinghe, DN Samarasekera. Medical Teacher 2011;33(4):340

22. A benign teratoma of the ovary fistulating into the rectum D Wickremasinghe, DN Samarasekera Ceylon Medical Journal 2011;55(4): 133

23. The distribution of the anal glands and the variable regional occurrence of fistula in ano: Is there a relationship? V Abeysuriya, LSS Salgado, DN Samarasekera. Techniques in Coloproctology 2010 Dec;14(4):317-21

24. A patient with Turcot Syndrome presenting with carcinoma of the rectum and a history of brain tumour. DP Wickremasinghe, DN Samarasekera The Sri Lanka Journal of Surgery 2010;28(2):19-21

25. The preferences and factors affecting participation in Continuing Medical Education (CME) of surgeons and postgraduate surgical trainees in a tertiary care hospital setting. IN Gunarathna, DP Wickremasinghe, DN Samarasekera. The Sri Lanka Journal of Surgery 2010;28(2):15-18

26. Quality of life following restorative proctocolectomy for ulcerative colitis and familial adenomatous polyposis. D Subasinghe, DN Samarasekera. Ceylon Medical Journal 55(3):93

27. The approach to studying among medical students from different districts in Sri Lanka. D. Subasinghe DN Samarasekera Jaffna Medical Journal 2010; 26:24-7

28. Disease related knowledge in inflammatory bowel disease (IBD): Experience of a tertiary care centre from a developing country in South East Asia. D. Subasinghe, N. Wijekoon, N. Nawaratne, DN. Samarasekera Singapore Medical Journal 2010; 51(6):484-9.

29. Comparison of preoperative endoanal ultrasonography with intraoperative findings for fistula in-ano. Subasinghe D, Samarasekera DN. World Journal of Surgery 2010;34(5): 1123-7

30. Prevalence of inflammatory bowel disease in two districts of Sri Lanka: a hospital based survey. Niriella MA De Silva AP Dayaratne AH Ariyasinghe MH Navarathne MM Peiris RS Samarasekera DN, Satharasinghe RL Rajindrajith S Dassanayake AS Wickramasinghe AR de Silva HJ. BMC Gastroenterology 2010; 19: 10;32

31. A study comparing endoscopic ultrasound(EUS) and computed tomography (CT) in staging oesophageal cancer and their role in clinical decision making. Subasinghe D, Samarasekera DN. Journal of Gastrointestinal Cancer 2010;47(2): 151-5

32. The value of routine histopathological analysis in patients with fistula in-ano. NS Wijekoon, DN Samarasekera.Colorectal Disease 2010; 12(2): 94-96

33. Delay in the diagnosis of oesophageal carcinoma. Experience of a single unit from a developing country. D Subasinghe, DN Samarasekera. Indian Journal of Cancer 2010;47(2):151-5).

34. Quality of life following surgery for recurrent fistula in-ano. SA Seneviratne,DN Samarasekera, W Kotalawala. Techniques in Coloproctology 2009;13(3):215-7

35. Heterotopic pancreas in the body of the stomach. Seneviratne SA, Ramanayaka IT, Samarasekera DN. Ceylon Med J. 2009;54(2):57-8

36. Anal Incontinence in the ageing Sri Lankan population: The results of a pilot study. Premachandra ND, Kotalawala SW, Cooray R, Samarasekera DN. Ceylon Med J. 2008;53(4):154

37. Risk factors for anal sphincter disruption during childbirth. DN Samarasekera, MT Bekhit, KP Stanley, JP Preston, CTM Speakman. Langenbecks Arch Surg. 2009;394(3):535-8.

38. Hiradenitis suppurativa presenting as a polypoidal lesion at the anal verge SA Seneviratne, DN Samarasekera. Colorectal Disease 2009;11(1):97-98

39. Sister Mary Joseph’s nodule as the sole presenting feature of disseminated squamous cell cancer of the oesophagus: a rare case NS Wijekoon, DN Samarasekera. Journal of Gastrointestinal Cancer 2008 ;38(2-4):99-101

40. Comparison of vector symmetry index and endoanal ultrasonography in the diagnosis of anal sphincter disruption.DN Samarasekera, Y Wright, RH Lowndes, KP Stanley, P Preston, CTM Speakman. Techniques in Coloproctology 2008;12(3):211-215

41. Rectal tuberculosis: A rare cause of recurrent rectal suppuration. DN Samarasekera, PR Nanayakkara. Colorectal Disease 2008;10(8):846-7

42. Long-term anal continence and quality of life following postpartum anal sphincter injury. DN Samarasekera, MT Bekhit, Y Wright, RH Lowndes, J Preston, P Preston, CTM Speakman. Colorectal Disease 2008;10(8):793-9

43. Biofeedback therapy in the treatment of pelvic floor outlet obstruction. DN Samarasekera, CTM Speakman. Galle Medical Journal 2007; 12(1): 5-7

44. Blue rubber bleb naevus syndrome, a rare case of recurrent gastrointestinal bleeding. PR Nanayakkara, DN Samarasekera Ceylon Medical Journal 2007 ; 52(4): 143-44

45. The role of anorectal physiology studies in the investigation of anorectal and anal sphincter disorders(Leading Article). DN Samarasekera. Ceylon Medical Journal 2007;52(4): 120-21

46. Oesophago-gastrectomy in a patient with haemophila A. PR Nanayakkara, DN Samarasekera, H Gamage, A Abayadeera, HJ de Silva Haemophilia 2007 ; 13: 670-671

47. Long-term prevalence of urinary and faecal incontinence (double incontinence) following obstetric anal sphincter rupture. DN Samarasekera, CTM Speakman. Sri Lanka Journal of Urology 2006; 7: 19-24

48. The role of pudendal nerve terminal motor latency (PNTML) in the assessment of the external anal sphincter function. MSB Tillakaratne, DN Samarasekera. The Galle Medical Journal 2006;11(1): 3-6

49. Abdominal aortic aneurysms (AAA) and peptic ulcer disease: experience of a single surgical unit in Sri Lanka DN Samarasekera, PAHA Gunawardhana, AH Sheriffdeen Tropical Gastroenterology 2002; 23: 61-62

50. Spindle cell tumour of smooth muscle origin arising from the small bowel mesentery. MIM De Zoysa, DN Samarasekera The Sri Lanka Journal of Surgery 2000; 18(1): 28 – 29

51. Peutz Jeghers Syndrome with colonic and small bowel polyps. MIM De Zoysa , PAHA Gunawardana, DN Samarasekera The Sri Lanka Journal of Surgery 1999; 17(2): 64 – 65

52. Therapeutic interventional radiology in the management of hepatobiliary and pancreatic disease. DN Samarasekera, PAHA Gunawardana, D Gunawardana, AH Sheriffdeen. The Sri Lanka Journal of Surgery 1999; 17(2): 46 –49

53. Eosinophilic granulomatous vasculitis mimicking a gastric neoplasm. R Premaratne, A Saparamadu, DN Samarasekera, BF Warren, DP Jewell,HJ De Silva. Histopathology 1999; 35: 479 – 81

54. Prospective clinical and functional audit of emergency and elective haemorroidectomy. KI Deen, MAS Paris, MHJ Ariyaratne, DN Samarasekera The Sri Lanka Journal of Surgery 1999; 17(1): 10 –13

55. A case of ulcerative colitis in a 6 month old infant. DN Samarasekera, PAHA Jayawardana, M Fernandopulle . The Sri Lanka Journal of Surgery 1999; 17: 28 –30

56. Endosonography in gastroenterology(Leading article)DN Samarasekera Sri Lanka Journal of Surgery, 1999;17. 2-5

57. Management of chronic constipation. DN Samarasekera The Sri Lanka Prescriber 1998; 6, 7-9

58. Outcome of 200 restorative proctocolectomy operations: The John Radcliffe Hospital experience. J. Romanos, DN Samarasekera, JF Stebbing, DP Jewell, MGW Kettlewell, NJ McC Mortensen. British Journal of Surgery 1997: 84, 814-818

59. Food, fibre and bowel function (Leading Article). DN Samarasekera Journal of the Ruhunu Clinical Society 1997; 4(1): 2-4

60. Irritable bowel syndrome. HJ De Silva, DN Samarasekera The Sri Lanka Prescriber 1996; 4: 5 – 6

61. Outcome of restorative proctocolectomy with ileal reservoir for ulcerative colitis; comparison of distal colitis with more proximal disease. DN Samarasekera, JF Stebbing, MGW Kettlewell, DP Jewell, NJ McC Moretnsen Gut 1996; 38: 574 – 577

62. Endoscopic sclerotherapy for oesophageal variceal bleeding. HJ De Silva,DN Samarasekera, GAC Amarasena, DPA Fernando Ceylon Medical Journal, 1988; 33: 15- 17


Abstracts / Presentations

Abstracts published in Indexed Journals (as a supplement with the journal)


1. What can histopathology say about acute appendicitis? DPCKA Lal, DN Samarasekera, S Sivaganesh, MIM De Zoysa. J Gastro & Hepatol 2014;29(suppl 3):149-p287

2. Rationale of routine histopathological analysis of gall bladder in symptomatic gallstone disease. DPCKA Lal, DN Samarasekera, S Sivaganesh, MIM De Zoysa. J Gastro & Hepatol 2014;29(suppl 3):149-p288

3. Faecal incontinence and quality of life in IBD: Findings from a tertiary care centre in South Asia. D Subasinghe, M Nawaratne, DN Samarasekera. J Gastro & Hepatol 2013;28(suppl 3):23-693

4. Effectiveness of a 4 week stoma care training program for nurses in a developing country. DP Wickremasinghe, S Senaratne, C Perera, DN Samarasekera. J Gastro & Hepatol 2013;28(suppl 3):23-693

5. How useful is 3D anorectal manometry?. DP Wickremasinghe DN Samarasekera. J Gastro & Hepatol 2013; 28(suppl 3): 23-693

6. Surgery for fistula in-ano; Types and treatment modalities. IN Gunarathna DN Samarasekera. Indian Journal of Gastroenterology 2010;29:SG3

7. Four quadrant classification of fistula in-ano: Does the variable distribution of the anal glands play a role in the occurance of fistula in-ano in the perineum. V Abeysuriya, D Subasinghe, DN Samarasekera, SL Salgado. Gut 2009; 58: A59

8. Surgery for fistula in-ano and postoperative recurrence. SW Kotalawala, SA Seneviratne, DN Samarasekera. Indian Journal of Gastroenterology 2007;26:A117 (SG13)

9. Aetiology, physical and social disability associated with anal incontinence. ND Premachandra, SW Kotalawala, SA Seneviratne, R Cooray, DN Samarasekera. Indian Journal of Gastroenterology 2007; 26:A137(MI30)

10. A study comparing Endoscopic-ultrasound (EUS) with conventional imaging techniques in the diagnosis of upper gastrointestinal disease. Indian Journal of Gastroenterology 2007;26:A138(MI31)

11. Anal incontinence in an aging Sri Lankan Population. ND Premachandra, H.Gamage, Withanage,L.Kariyakarawana, S.Tilakaratne, DN Samarasekera. Ceylon Medical Journal 2007; 52 : 36(PP17)

12. Diagnostic endoscopic ultrasound: is it a reliable investigation? S.Sivaganesh, MIM de Zoysa, DN Samarasekera.Ceylon Medical Journal 2006; 51: 9 (OP 6)

13. Long-term anal continence and quality of life following primary repair of third degree post-partum tear. DN Samarasekera, M Bekhit, YM Wright, RH Lowndes, CTM Speakman. Colorectal Disease 2005; 7: 100 (P 166)

14. A manometric and endosonographic assessment of the long-term pelvic floor damage following obstetric third degree perineal tear. DN Samarasekera, YM Wright, RH Lowndes, P. Preston, CTM Speakman, Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland 2005; 3: 104 (P16.19)

15. Risk factors for obstetric third degree perineal tear and prevalence of long-term anal incontinence. DN Samarasekera, MT Bekhit, K Stanley, Preston J, CTM Speakman. Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland 2005; 3:6 (F.P 3.5)

16. Comparison of Vector Volume Symmetry Index (VVSI) with Endoanal Ultrasound (EAUS) in the diagnosis of anatomical anal sphincter defects. D.N.Samarasekera, YM Wright, RH Lowndes, P Preston, A Hart, S Kapur, WSL Stebbings, CTM Speakman. Colorectal Disease 2004; 6: 66 (P091)

17. Do patients with distal ulcerative colitis undergoing ileal pouch anal anastomosis have a better outcome than those patients with total colitis? DN Samarasekera, MNJ Mortensen, D Jewell. Gut 1995; 36: (A24)


Presentations (Published Abstracts)

1. The role of flexible sigmoidoscopy in the evaluation of patients presenting with a lump at anus. U Jayarajah, DN Samarasekera. 10th International Society of Laparoscopic Colorectal Surgery (ISLCRS) Congress 2015, Singapore, 2nd -6th November 2015

2. The rate and risk factors for long-tern complications of enteral ostomy. U Jayarajah, AMP, Samarasekera, DN Samarasekera. 10th International Society of Laparoscopic Colorectal Surgery (ISLCRS) Congress 2015, Singapore, 2nd -6th November 2015

3. Long-term faecal incontinence quality of life following surgery for cryptoglandular simple fistula in ano: A preliminary study. U Jayarajah, DP Wickramasinghe, DN Samarasekera. 10th International Society of Laparoscopic Colorectal Surgery (ISLCRS) Congress 2015, Singapore, 2nd -6th November 2015

4. Quality of life and its associated factors in stoma patients. U Jayarajah, DN Samarasekera. 10th International Society of Laparoscopic Colorectal Surgery (ISLCRS) Congress 2015, Singapore, 2nd -6th November 2015

5. Factors associated with adaptation to alteration of body image among stoma patients. U Jayarajah, DN Samarasekera. Annual academic sessions of College of Surgeons, Sri Lanka – August 2015.

6. Analysis of faecal incontinence following surgical treatment for fistula-in-ano. U Jayarajah, DP Wickramasinghe,DN Samarasekera. Annual academic sessions of College of Surgeons, Sri Lanka – August 2015.

7. The yield of flexible sigmoidoscopy in the evaluation of patients presenting with isolated painless per rectal bleeding. U Jayarajah, DN Samarasekera. Annual academic sessions of College of Surgeons, Sri Lanka – August 2015.

8. Faecal incontinence related quality of life following surgery for fistula-in-ano. U Jayarajah, DP Wickramasinghe, DN Samarasekera. Annual academic sessions of College of Surgeons, Sri Lanka – August 2015.

9. Annual academic sessions of College of Surgeons, Sri Lanka – August 2015. Factors affecting psychological well-being of stoma patients. U Jayarajah, DN Samarasekera. Annual academic sessions of College of Surgeons, Sri Lanka – August 2015.

10. Diagnostic yield of upper gastrointestinal endoscopy in patients presenting with upper abdominal pain or dyspepsia. U Jayarajah, DP Wickramasinghe, DN Samarasekera. Annual academic sessions of College of Surgeons, Sri Lanka – August 2015.

11. Analysis of sexual dysfunction following ostomy. U Jayarajah, DN Samarasekera. Annual academic sessions of College of Surgeons, Sri Lanka – August 2015.

12. Obstetric anal sphincter injuries – Risk factors and prediction. DP Wickramasinghe, CS Perera, S Senaratne, HM Senanayake, DN Samarasekera. 128th Anniversary International Medical Congress of the Sri Lanka Medical Association. 5th – 8th July 2015. Colombo, Sri Lanka.

13. Manometry and ultrasound changes in primigravida after vaginal delivery. DP Wickramasinghe, CS Perera, S Senaratne, HM Senanayake, DN Samarasekera. 128th Anniversary International Medical Congress of the Sri Lanka Medical Association. 5th – 8th July 2015. Colombo, Sri Lanka.

14. Analysis of operative procedures done on a cohort of patients presenting with fistula in ano: a tertiary centre Experience. KNAS Ratnayake, DP Wickramasinghe, DN Samarasekera. 43rd Annual Academic Sessions of the College of Surgeons of Sri Lanka, 20 – 22 August 2014, Colombo, Sri Lanka.

15. Correlation of 3D Anorectal Manometry and 3D endoanal ultrasound. DP Wickramasinghe, CS Perera, S Senaratne, HM Senanayake, DN Samarasekera. XXVI Biennial congress of the International Society of University Colon and Rectal surgeons. 4-7th September, Cape town, South Africa.

16. Correlates of improvement in nurses participating in a four week Stoma Care training program in a developing country. DP Wickramasinghe, AMP Samarasekera, S Senaratne, CS Perera, A Tissera, DN Samarasekera. XXVI Biennial congress of the International Society of University Colon and Rectal surgeons. 4-7th September, Cape town, South Africa.

17. Types and patterns of colonic polyps encountered at a tertiary care center in a developing country in South Asia. DP Wickramasinghe, S Samaranayaka, C Lakmal, S Mathotaarachchi, DPCKA Lal, C Keppitiyagama, DN Samarasekera. XXVI Biennial congress of the International Society of University Colon and Rectal surgeons. 4- 7th September, Cape town, South Africa.

18. Colonoscopy completion: a single centre experience. KNAS Ratnayake, DP Wickramasinghe, DN Samarasekera. 43rd Annual Academic Sessions of the College of Surgeons of Sri Lanka, 20 – 22 August 2014, Colombo, Sri Lanka.

19. Clinical audit on discordance in staging among computerized tomographic (CT) and endo anal ultra sonographic (EAUS) imaging of rectal neoplasms. KNAS Ratnayake, DP Wickramasinghe, DN Samarasekera. 43rd Annual Academic Sessions of the College of Surgeons of Sri Lanka, 20 – 22 August 2014, Colombo, Sri Lanka.

20. Incidental detection of neoplastic lesions in gall bladder. DPCKA Lal, S Sivaganesh, DN Samarasekara, ID Zoysa, DP Wickramasinghe, SMP Manjula, S Mathurahan, PACD Padmaperuma. 43rd Annual Academic Sessions of the College of Surgeons of Sri Lanka, 20 – 22 August 2014, Colombo, Sri Lanka.

21. Three dimension (3d) anorectal manometric and endo anal ultrasound characteristics of the anal sphincter in sri lankan primi mothers. D Wickramasinghe, CS Perera, S Senaratne, DN Samarasekera. 7th Biennial Congress of ASEAN Society of Colorectal Surgeons (ASCS) 2014, 16 - 18 July, Singapore.

22. Correlation of symptoms to the presence of colorectal malignancy and their location. K Ratnayaka, D Wickramasinghe, S Sivaganesh, DN Samarasekera. 7th Biennial Congress of ASEAN Society of Colorectal Surgeons (ASCS) 2014, 16 - 18 July, Singapore.

23. An assessment of attitudes regarding the interprofessional education among Medical, Nursing and Physiotherapy students in a tertiary care center in Sri Lanka. MAC Lakmal, DN Samarasekera. Asia Pacific Medical Education Conference (APMEC) in Singapore - January 2014

24. Effectiveness of a 4-week Stoma Care Training Program for nurses in a developing country. D Wickramasinghe, S Senaratne, C Perera, DN Samarasekera. Asia Pacific Digestive Week Shanghai. September 2013

25. How useful is 3D manometry? D Wickramasinghe, DN Samarasekera. Asia Pacific Digestive Week Shanghai. September 2013

26. Faecal incontinence and quality of life in IBD: Findings from a tertiary care centre in South Asia. D Subasinghe, NMM Navaratne, DN Samarasekera. Asia Pacific Digestive Week Shanghai. September 2013

27. Patient satisfaction on gastro-intestinal endoscopic procedures. MAC Lakmal, D Subasinghe, MS Mathotaarachchi, DN Samarasekera. National Conference of Indian Association of Surgical Gastroenterology. Sept 2013

28. Outcome of perineal approach in the treatment of full thickness rectal prolapse. CT Keppetiyagama, H Sudasinghe, D Subasinghe, SF Samaranayake, R Nirmalasingham, D Wickremasinghe, DPCKA Lal, DN Samarasekera, I de Zoysa. Academic Sessions of the College of Surgeons of Sri Lanka. August 2013

29. Types and patterns of gastrointestinal polyps encountered in oesophago-gastro-duodenoscopy at a tertiary care centre. D Wickremasinghe, S Samaranayake, C Lakmal, CT Keppetiyagama, DN Samarasekera. Academic Sessions of the College of Surgeons of Sri Lanka. August 2013

30. Types and patterns of colonic polyps encountered at a tertiary care centre. D Wickremasinghe, S Samaranayake, C.Lakmal, S Mathotaarachchi, DPCKA Lal, C Keppetiyagama, DN Samarasekera. Academic Sessions of the College of Surgeons of Sri Lanka. August 2013

31. Small bowel capsule endoscopy in clinical practice: A single centre experience. MAC Lakmal, DN Samarasekera. Academic Sessions of the College of Surgeons of Sri Lanka. August 2013.

32. Surgical Management of patients with FAP. DN Samarasekera. SLMA Academic Sessions. July 2013

33. Patterns and trends of medical student research. DP Wickramasinghe, C Perera, S Senarathna, DN Samarasekera. 10th Asia Pacific Medical Education Conference (APMEC) 16th to 20th January 2013, Singapore.

34. How to build your own laparoscopy simulator. MH Samarasinghe, DN Samarasekera. Academic Sessions of the College of Surgeons of Sri Lanka. August 2012

35. Hypochlorite, papaw pulp and tetra-chlorodecaoxide; A protocol for diabetic wound management in a local setting. MH Samarasinghe, P Pratheepan, DN Samarasekera.. Academic Sessions of the College of Surgeons of Sri Lanka. August 2012

36. Surgery for fistula in-ano;A five year experience. D Subasinghe, JADS SEnaratne, CT Keppitiyagama, DN Samarasekera. Academic Sessions of the College of Surgeons of Sri Lanka. August 2012

37. The effect of body mass index (BMI) on gastrointestinal transit;A study conducted using capsule endoscopy. JADS Senaratne, D Subasinghe, DN Samarasekera. Academic Sessions of the College of Surgeons of Sri Lanka. August 2012

38. Trans anal Haemorrhoidal Dearterialization (THD) vs Diathermy excision in the management of haemorrhoids: Results of an ongoing clinical study. DP Wickremasinghe, N Gunaratne, DN Samarasekera. Academic Sessions of the College of Surgeons of Sri Lanka. August 2011

39. Fistula plug in the management of uncomplicated fistula in ano. DP Wickremasinghe, N Gunaratne, DN Samarasekera. Academic Sessions of the College of Surgeons of Sri Lanka. August 2011

40. Effect of domestic passive smoking in a cohort of patients with inflammatory bowel disease. HKC Lakmal, SMSP Seneviratne, LB Samarakoon, U Dalpadadu, NMM Navaratne, DN Samarasekera. Academic Sessions of the College of Surgeons of Sri Lanka. August 2011

41. Prevalence of anxiety and depression in a cohort of patients with inflammatory bowel disease: Results of a preliminary study. NS Wijekoon, U Dalpadadu, DN Samarasekera, NMM Navaratne. Academic Sessions of the College of Surgeons of Sri Lanka. August 2011

42. Cost benefit of capsule endoscopy in a developing country. DP Wickremasinghe, N Gunaratne, DN Samarasekera. Academic Sessions of the College of Surgeons of Sri Lanka. August 2011

43. Should flexible sigmoidoscopy be used in the routine evaluation of fistula in ano and haemorrhoids?; A single unit experience. NS Wijekoon, MH Samarasinghe, P Pratheepan, U Dalpadadu, DN Samarasekera. Academic Sessions of the College of Surgeons of Sri Lanka. August 2011

44. Hereditary intestinal polyposis syndromes (HPS): A single unit experience. N Liyanapathirana, U Dalpadadu, L Samarakoon, JL Balasooriya, KKRP Kodithuwakku, DN Samarasekera. Academic Sessions of the College of Surgeons of Sri Lanka. August 2011

45. Capsule Endoscopy: Our Early Experience. MKGINK Gunarathna, DN Samarasekera. SLMA Academic Sessions, June 2011

46. The preferences and factors affecting participation in continuing medical education among surgeons and postgraduate trainees in a tertiary care hospital setting. IN Gunarathna, DP Wickramasinghe, DN Samarasekera. Asia Pacific Medical Education Conference (APMEC). January 2011

47. Do postgraduate surgical trainees study differently? DP Wickramasinghe, DN Samarasekera. The College of Surgeons of Sri Lanka Academic Sessions August 2010

48. A comparison of endoanal ultrasound and computed tomography in staging rectal cancer and their role in clinical decision making. DP Wickramasinghe, DN Samarasekera. The College of Surgeons of Sri Lanka Academic Sessions August 2010

49. Anorectal injuries presenting to a tertiary care centre. DP Wickremasinghe, DN Samarasekera. The College of Surgeons of Sri Lanka Academic Sessions August 2010

50. Recurrent fistula in ano;Experience of a tertiary care referral centre. DP Wickramasinghe, DN Samarasekera. The College of Surgeons of Sri Lanka Academic Sessions August 2010

51. Anorectal manometry and endoanal ultrasound in patients with anal incontinence; Findings and correlations. DP Wickramasinghe, DN Samarasekera. The College of Surgeons of Sri Lanka Academic Sessions August 2010

52. Disease related knowledge in inflammatory bowel disease(IBD): Experience of a tertiary care center from a developing county in South East Asia. D Subasinghe, NS Wijekoon, NMM Nawatarne, DN Samarasekera. Asia Pacific Medical Education Conference, Singapore Feb 2010

53. A comparison of the approach to studying and the study skills of undergraduates and postgraduate surgical trainees. DP Wickremasinghe, SMP Manjula, DN Samarasekera Asia Pacific Medical Education Conference, Singapore Feb 2010

54. The effect of gender on approaches to studying and study skills of Sri Lankan Medical Students. DP Wickremasinghe, DN Samarasekera Asia Pacific Medical Education Conference, Singapore Feb 2010

55. The role of 24 hour pH monitoring in the diagnosis of Gastro-oesophageal reflux (GOR) in patients who are not responding to proton pump inhibitors. SMP Manjula, D Wickremasinghe, R Hendahewa, DN Samarasekera. Academic Sessions of the Gastoenterological, Endoscopy & Digestive Society of Sri Lanka. November 2009

56. The role of flexible sigmoidoscopy in the evaluation of bleeding per rectum. ASA Abeywardene, RS Hendahewa, DN Samarasekera.Collage of Surgeons Academic Sessions August 2009

57. Clinical, endoscopic and histological characteristics and management of inflammatory bowel disease:Experience of the National Hospital of Sri Lanka. D Subasinghe, NMM Navaratne, DN Samarasekera. College of Surgeons Academic Sessions August 2009

58. Delay in the diagnosis of oesophageal carcinoma:Experience of a single unit. D Subasinghe, DN Samarasekera. College of Surgeons Academic Sessions August 2009

59. Spleen preserving surgery for a large cyst of the spleen involving the hilum: A new surgical technique. K Sairam, RS Hendahewa, DN Samarasekera. College of Surgeons Academic Sessions August 2009

60. Disease related knowledge in inflammatory bowel disease(IBD): Experience from a tertiary care centre. NS Wijekoon, D Subasinghe, DN Samarasekera, Nawaratne NMM. College of Surgeons Academic Sessions August 2009

61. Iatrogenic anal sphincter injury caused by surgery for recurrent fistula in ano. HK Wirithamulla, D Subasinghe, DN Samarasekera. College of Surgeons Academic Sessions August 2009

62. The role of endoscopic ultrasound(EUS) in staging oesophageal cancer: comparison with computed tomography(CT) and its importance in the clinical dicision making process. D Subasinghe, DN Samarasekera. SLMA Academic Sessions 2009

63. Value of upper GI Endoscopy in Gastrointestinal Bleeding. D Subasinghe, DN Samarasekera. Kandy Society of Medicine Feb.2009

64. Comparison of endoscopic ultrasonography (EUS) and computerised tomography (CT) in staging oesophageal cancer. ND Premachandra, D. Subasinghe, DN Samarasekera. Asia-Pacific Gastroesophageal Cancer Congress (APGCC),Hong Kong. November 2008

65. An audit of upper GI manometry. NS Wijekoon, DN Samarasekera. The Kandy Society of Medicine Feb 2008

66. The role of endo-anal ultrasound (EAUS) in staging rectal tumours.NS Wijekoon, DN Samarasekera. The Kandy Society of Medicine Feb 2008

67. Surgery for fistula in-ano and postoperative recurrence SW Kotalawala, SA Seneviratne, DN Samarasekera Academic Sessions of the Association of GI Surgeons of India, Sept. 2007

68. Is chronic constipation a causative factor of complete rectal prolapse? SW Kotalawala, MSB Tillakaratne,SA Seneviratne, DN Samarasekera Academic Sessions of the Association of GI Surgeons of India, Sept. 2007

69. A study comparing endoscopic ultrasound (EUS) with conventional imaging techniques in the diagnosis of upper GI disease. PR Nanayakkara, DN Samarasekera. Academic Sessions of the College of Surgeons July 2007

70. Aetiology and physical and social disability associated with anal incontinence. ND Premachandra, SW Kotalawala, SA Seneviratne, R Cooray, DN Samarasekera Academic Sessions of the College of Surgeons, July 2007

71. What is the best investigation for patients presenting with ureteric colic?:X-ray KUB or Ultrasound Scan (US) or both. NMN Nuzair,l DN Samarasekera. Academic Sessions of the College of Surgeons, July 2007-09-27

72. The distribution, histological variety and operability of carcinoma oesophagus. PR Nanayakkara, SW Kotalawala, MIM de Zoysa, DN Samarasekera. Academic sessions of the College of Surgeons. July 2007

73. Distribution and staging of colorectal carcinoma on presentation ND Premachandra, SW Kotalawala, DN Samarasekera Academic Sessions of the College of Surgeons, July 2007

74. Pre and postoperative quality of life (QOL) in patients who underwent restorative proctocolectomy (RPC) and their satisfaction with surgery. SW Kotalawala, DN Samarasekera. Academic Sessions of the College of Surgeons July 2007

75. A study comparing the macroscopic appearance with histology in assessing the extent of colonic inflammation in ulcerative colitis MSB Tillakaratne DN Samarasekera. Academic Sessions of the Galle Medical Association. Sepetmber 2006

76. The role of Endo-Anal Ultrasound Scan (EAUS) in the assessment of anatomical integrity of the anal sphincter. MSB Tillakaratne DN Samarasekera.Academic Sessions of the Galle Medical Association. Sepetmber 2006

77. Endoanal ultrasound (EAUS) in the management of recurrent fistula in ano. MSB Tillakaratne HNS Gamage DN Samarasekera. Academic Sessions of the College of Surgeons- August 2007

78. Management of recurrent fistula in-ano; Should it be managed in a specialised unit? HNS Gamage,MSB Tillakaratne,MIM de Zoysa,DN Samarasekera. Academic Sessions of the College of Surgeons, August 2006

79. The impact of endoanal ultrasound in the diagnosis of anorectal disorders. MSB Tillakaratne,MIM de Zoysa,DN Samarasekera. Academic Sessions of the College of Surgeons, August 2006

80. Ulcerative colitis: Is it only a distal disease in Sri Lanka? MSB Tillakaratne,MIM de Zoysa,DN Samarasekera. Academic Sessions of the College of Surgeons, August 2006

81. The role of ostomy in gastrointestinal surgery. HNS Gamage MSB Tillakaratne,MIM de Zoysa,DN Samarasekera. Academic Sessions of the College of Surgeons, August 2006

82. The impact of anorectal physiology studies on the management of anorectal disorders. NS Gamage MSB Tillakaratne DN Samarasekera. Academic Sessions of the Association of GI Surgeons of India, Sept. 2006

83. Pudendal Nerve Terminal Motor Latency (PNTML) in the assessment of External Anal Sphincter. Tillakaratne M.S.B., Samarasekera D.N. Student Scientific Sessions, July 2006

84. The role of oesophageal manometry and 24 hour pH monitoring in the diagnosis of upper gastrointestinal (GI) disorders. Tillakaratne M.S.B., Samarasekera D.N. Student Scientific Sessions, July 2006

85. Learning curve of endoscopic retrograde cholangio-pancreatography (ERCP) in a developing country: A review of the first 300 procedures. MIM De Zoysa, DN Samarasekera. 20th International workshop on Therapeutic Endoscopy. Hong-Kong, 6th-8th December 2005

86. The impact of anorectal physiology studies (ARP) and endoanal ultrasound (EAUS) on clinical decision making. DN Samarasekera, YM Wright, RH Lowndes, P Preston, CTM Speakman. Combined Academic Sessions of the College of Surgeons and British Association of Surgical Oncology; August 2005

87. Longterm anal continence and quality of life following primary repair in obstetric anal sphincter rupture. DN Samarasekera, M Bekhit, CTM Speakman. Combined Academic Sessions of the College of Surgeons and British Association of Surgical Oncology; August 2005

88. Colonoscopy and biopsy of patients with ulcerative colitis : Should it be done annually? MIM De Zoysa, DNSamarasekera, G Jayasekara Combined Academic Sessions of the College of Surgeons and British Association of Surgical Oncology; August 2005

89. Long-term prevalence of faecal and urinary incontinence (double incontinence) following obstetric anal sphincter rupture. DN Samarasekera, K Stanley, J Preston, CTM Speakman. Combined Academic Sessions of the College of Surgeons and British Association of Surgical Oncology; August 2005

90. Comparison of Vector Volume Symmetry index with Endoanal ultra sound in the diagnosis of anal sphincter defects. DN Samarasekera, Y.Wright, RH Lowndes, P Preston, WSL Stebbings, A Hart . Academic Sessions of the College of Surgeons and the SAARC Surgical Care Society, Sri Lanka ; August 2003

91. A minimum data set for reporting oesophageal carcinoma. Are we meeting the international standards? K Gnanakanthan, DN Samarasekera Academic Sessions of College of Surgeons, August 2002

92. Recurrent laryngeal nerve injury following dissection of the cervical oesophagus. AB Tennekoon, S.Sivaganesh, DN Samarasekera Academic Sessions of the College of Surgeons , August 2002

93. Complete rectal prolapse.Is it more common in the members of the armed forces? MIM de Zoysa, DN Samarasekera - Academic Sessions of the College of Surgeons, August 2002

94. Endoscopic Retrograde Cholangio-Pancreatography- A review of 240 cases. PN Siriwardena, DN Samarasekera. Academic Sessions of the College of Surgeons, August 2001)

95. The role of contrast enhanced computed tomography (CT) in evaluating respectability of oesophageal carcinoma. AB Tennekoon, DN Samarasekera Academic Sessions of the College of Surgeons , August 2001

96. Carcinoma of the oesophagus. A review of 35 cases. AB Tennekoon, DN Samarasekera Academic Sessions of the College of Surgeons, August 2001

97. Delay in the diagnosis and management of malignant disease. Is it the fault of the patient or the health system? PN Siriwardena, DN Samarasekera, G Jayasekara, AH Sheriffdeen. Academic Sessions of the SLMA, March 2001

98. The role of therapeutic endoscopy in the management of oesophageal varices in children and adults: does it mean no more open surgery? MIM De Zoysa, DN Samarasekera, AH Sheriffdeen. Academic Sessions of the College of Surgeons 2000

99. Inflammatory Bowel Disease in the paediatric and adolescent age groups: a forgotten entity. DN Samarasekara, MIM De Zoysa, MVC De Silva, R Dias. Academic Sessions of College of Surgeons 2000

100. Epidemiological data of the inflammatory bowel disease from a gastroenterology clinic. PN Siriwardena,DN Samarasekera. Academic Sessions of the College of Surgeons 2000

101. Ulcerative Colitis; does the outcome depend on the extent of colitis? DN Samarasekera, PN Siriwardena. Academic Sessions of the College of Surgeons 2000

102. Helicobactor pylori gastritis: a prominent plasma cell infiltrate in the absence of activity. AD Tilakaratne, DN Samarasekera, MVC De Silva. Academic Sessions of the College of Pathologists of Sri Lanka, June 2000

103. Role of endoscopic retrograde cholangiopancreatography (ERCP) in the diagnosis of hepatobiliary and pancreatic disease: our early experience. DN Samarasekera, MIM De Zoysa, AH Sheriffdeen SLMA Academic Sessions, March 2000

104. Manometry in the management of ano-rectal disease. Is it a helpful investigation ? DN Samarasekera, PAHA Gunawardena, PADO Appuhamy , KI Deen ,College of Surgeons Sessions – 1999

105. Open surgery for extra-hepatic bile duct ( EHBD) obstruction in the era of minimally invasive surgery. Is it obsolete ? DN Samarasekera , PAHA Gunawardena, M Wijeratna, AH Sheriffdeen. College of Surgeons Academic Sessions – 1999

106. Endoscopic retrograde cholangio-pancreatography (ERCP) in government hospital. Constraints and results. DN Samarasekera MIM De Zoysa, PAHA Gunawardena , AH Sheriffdeen. College of Surgeons Academic Sessions – 1999

107. Role of diagnostic and therapeutic gastrointestinal endoscopy (GIE) in a Paediatric Hospital: an audit. MIM de Zoysa, DN Samarasekera, R Dias College of Surgeons Academic Sessions – 1999

108. Interventional Radiology (IR) in Surgical Gastroenterology. Should we do more? PAHA Gunawardena, DN Samarasekera, MIM De Zoysa , D Gunawardana , A Pallewatte , DS Perera , SP De Silva, AH Sheriffdeen . College of Surgeons Sessions – 1999

109. Epigastric pain in patients with abdominal aortic aneurysms (AAA). Is it a red herring? DN Samarasekera, PAHA Gunawaardena, M Wijerathne, AH Shriffdeen .College of Surgeons Sessions – 1999

110. Role of oesophageal manometry and pH studies in the diagnosis of endoscopy negative upper gastrointestinal disorders. DN Samarasekera, PAHA Gunawardena, HJ De Silva. SLMA Academic Sessions – 1999

111. Long term morbidity following total mastectomy and axillary clearance for carcinoma. Is it an acceptable procedure? DN Samarsekera, PAHA Gunawardane, HWAN Ariyaratna, RMPRA Samarajeewa, MHJ Ariyaratna, KI Deen. Academic Sessions of the Galle Medical Association Aug. 1998

112. Prepuceplasty: a simple procedure that prevents unnecessary circumcisions in children. DN Samarasekera, MHJ Ariyaratna, MAS Paris. Academic Sessions of the Galle Medical Association, Aug 1998

113. Incisional hernia: Is it the fault of the patient or the surgeon? DN Samarasekera, RMPRA Samarasekera, HWAN Ariyaratna, MHJ Ariyaratna, KI Deen.Academic Sessions of the Galle Medical Association, Aug. 1998

114. Randomised control trial of 1 versus 3 cefuroxime plus metronidazole prophylaxis, without a loading dose in appendicectomy. KI Deen, K Samarasinghe, MHJ Ariyaratna, DN Samarasekera, J Senaratna, A Ranasinghe, D Rodrigo. Joint Academic Sessions of the College of Surgeons of Sri Lanka and Gastroenterological Society, Sri Lanka July 1998.

115. Hepatic Venous drainage: are we Sri Lankans different from the rest of the world? DN Samarasekera, U Welgama, C Kumara – SLMA Academic Sessions – 1998

116. Electrogastrography (EGG) and gastric motility : An investigation to evaluate gastric emptying in those who undergo oesophago-gastric anastomosis without a pyloroplasty.DN Samarasekera , R Suraweera, HJ De Silva, AS Dissanayake – SLMA Academic Sessions – 1998

117. The Anatomy of the gall bladder in Sri Lankan population; a warning to the laparoscopic surgeon. DN Samarasekera, U Welgama. SLMA Academic Sessions 1998

118. Prolapsed haemorrhoids and anorectal manometry. Do haemorrhoids prolapse due to reduction in ano-rectal pressures? DN Samarasekera, R Suraweera. SLMA Academic Sessions – 1998

119. Laparostomy: A technique for the management of recurrent or intractable abdominal sepsis – DN Samarasekera,MHJ Ariyaratne , U Welgama. Academic Sessions of the Galle Medical Association – Nov. 1997

120. Audit of therapeutic and diagnostic colonoscopy in a University Surgical Unit . DN Samarasekera, MAS Paris, KI Deen, HJ De Silva Academic Sessions of the Galle Medical Association – Nov 1997

121. Prospective clinical and functional evaluation of emergency and elective haemorrhoidectomy. KI Deen MAS Paris, MHJ Ariyaratna, DN Samarasekera Academic Sessions of the College of Surgeons of Sri Lanka – August 1997.

122. Transhiatal oesophagetomy; Our early experience.DN Samarasekera U Welgama. Academic Sessions of the College of Surgeons Sri Lanka – August 1997

123. Hospital acquired surgical infections;Which bug? What to use? KI Deen, U Welgama, MHJ Ariyaratna, DN Samarasekera. Academic Sessions of the College of Surgeons of Sri Lanka – August 1997

124. An audit of colonoscopy and flexible sigmoidoscopy in the paediatric and the adolescent age groups. DN Samarasekera, U Welgama, KI Deen, Academic Sessions of the College of Surgeons of Sri Lanka – August 1997

125. Pouchitis – DN Samasekara, NM Mortensen Gloucestershire Academic Sessions, Gloucestershire, UK - Dec. 1994

126. A comparison of two regimes of treatment in reflux oesophagitis D Fernando, DN Samarasekera, SLMA Academic Sessions March 1992

127. Association between Helicobacter pylori and Peptic Ulcer Disease D Fernando , DN Samarasekera, SLMA Academic Sessions, 1991

128. Endoscopy in the diagnosis of epigastric pain DN Samarasekara, Dayasiri Fernando Sri Lanka Medical Association (SLMA) Academic Sessions – 1986


Papers Presented (abstract not published)


Basic surgical training in Sri Lanka; First year trainees’ view.

KI Deen, MSJ Senaratne, MHJ Ariyaratne, DN Samarasekera.

SLMA Academic Sessions – March 1997

 

Hydrocolloid dressings in the management of chronic ulcers

DN Samarasekera, AH Sheriffdeen. Academic Sessions of the College of

Surgeons of Sri Lanka – 1991