Prof. S. J. de S. Hewavisenthi

Professor S Janaki De S Hewavisenthi

MBBS (C'bo), Dip. Path (C'bo), MD Hist.Path (C'bo)

Cadre Chair and Senior Professor
Department of Pathology

Specialization

Research Interests

Publications

Publications in Peer Reviewed Journals

Hasan R , Abeysuriya V, Hewavisanthi J, Wijesinghe JAAS. Histological analysis of chronic inflammatory patterns in the gall bladder. International Organization of Scientific Research Journal of Dental and Medical Sciences 2016:15(9);Version IV, 60 -63.

Rathnayake RMUS, Beneragama DH, Hewavisenthi SJDeS. Are we addressing ethical issues in histopathology adequately? Journal of Diagnostic Pathology 2015;10(2):1-4

Niriella MA, Kodisinghe SK , De Silva AP, Hewavisenthi J, de Silva HJ. Intestinal tuberculosis masquerading as difficult to treat Crohn disease: a case report BMC Research Notes 2016:9(1)417

Rathnayake RMUS, Somarathna T, Mahendra BAGG, Hewavisenthi SJDeS. Follow up of histopathology and cytopathology reports that are duly signed out – are standard procedures required?Journal of Diagnostic Pathology 2014;9(2):23-27.

Moratuwagama HMD, Jayathilake A, Somarathne T, Hewavisenthi J. An unusual cause of death of a Hb E/β thalassaemia patient. Journal of Diagnostic Pathology 2014;9(1):37 – 40.

Wijewantha HS, de Silva AP, Niriella MA, Wijesinghe N, Waraketiya P, Kumarasena RS, Dassanayake AS, Hewavisenthi JDeS, de Silva HJ. Usefulness of routine terminal ileoscopy in a tropical setting: A retrospective record based study. Gastroenterology Research Practice 2014;ID 343849 Pages 5.

Chandrasinghe PC, Ediriweera DS, Hewavisenthi SJ, Kumarage S, Deen KI. The total number of lymph nodes harvested is associated with better survival in stages II and III colorectal cancer. Indian Journal of Gastroenterology 2014;33(3);249-53

Kasturiratne A, Mahasena MN, Mettananda KC, Fernandopulle N, Rajindrajith S, Warketiya PR, Weerasinghe SK, Ranaweera A, Hewavisenthi SJ, de Silva AP, de Silva HJ. Incidence of inflammatory bowel disease in Gampaha district: details of the Sri Lankan component of the Asia – Pacific Crohns and colitis epidemiology study. Ceylon Medical Journal 2014;59(1);16-8

Hewavisenthi SJDeS. Beneragama DH. Subspecialization in histopathology: The Sri Lankan perspective. Journal of Diagnostic Pathology 2013;8:1-3

Mahendra BAGG, Hewavisenthi SJDeS. Synovial sarcoma. Journal of Diagnostic Pathology2012;7:68-69.

Ratnayake RMUS, Hewavisenthi SJDeS. Histological study of macroscopically normal mucosa adjacent to tumour in colorectal resection specimens. Journal of Diagnostic Pathology2012;7:33-41.

Hewavisenthi SJDeS. Granulomatous colitis: Can pathology help in differentiating intestinal tuberculosis from Crohns disease? Journal of Diagnostic Pathology 2012;7:24-32.

De Silva AP, Nandasiri SD, Hewavisenthi J, Manamperi A, Ariyasinghe, MP Dassanayake AS, Jewell DP, de Silva HJ. Subclinical mucosal inflammation in diarrhea- predominant irritable bowel syndrome (IBS) in a tropical setting. Scandinavian Journal of Gastroenterology 2012; 47:619 – 624

Wickramasinghe, N, Gunasekara, C. N, Fernando, W. Sunil, Hewavisenthi, J, de Silva, HJ.Vulvitis granulomatosa, Melkersson–Rosenthal syndrome, and Crohn’s disease: dramatic response to infliximab therapy. International Journal of Dermatology 2012; 51: 966–968

BK Dassanayake, S Samita, RYI Deen, NSA Wickramasinghe, Hewavisenthi J, KI Deen. Local recurrence of rectal cancer in patients not receiving neoadjuvant therapy – the importance of resection margins. Ceylon Medical Journal 2011; 56:159 – 161.

Samarawickrema NA, Tabrizi SN, Hewavisenthi J, Leong T, Garland SM Distribution of human papillomavirus genotypes in archival cervical tissue from women with cervical cancer in urban Sri Lanka.International Journal of Gynaecology and Obstetrics 2011 Nov;115(2):180-200. Epub 2011 Aug 27.

Wijesuriya SR, Hewavisenthi J, Deen KI. . Patients with rectal cancer having neoadjuvant chemoradiation do not have increased complications of ileostomy closure. The Ceylon Medical Journal 2010 Dec;55(4):115-7

Wijesuriya SR, Kuruppuarachchi KG, Weerasinghe A, Hewavisenthi J, Deen KI. Detection of micrometastases in lymph nodes using reverse transcription polymerase chain reaction (RT-PCR) for cytokeratin 20 (CK-20)--a pilot study. The Ceylon Medical Journal. 2010 Sep;55(3):77-9.

Siriwardena RC, Deen KI Hewavisenthi J. Postmortem sampling of the pancreas for histological examination: What is the optimum cut off time? Journal of Pancreas 2010; 11(1): 87 – 88.

Siriwardana PN, Hewavisenthi SJ, Pathmeswaran A, Deen KI. Colonoscopic ultrasound is associated with a learning phenomenon despite previous rigid probe experience. Indian Journal of Gastroenterology 2009; 28(3): 96-98

Aloysius MM, Hewavisenthi SJDeS, Bates TE, Rowlands BJ Lobo DL, Zaitoun AM. Predictive value of tumor proliferative indices in periampullary cancers: Ki-67, mitotic activity index (MI) and volume corrected mitotic index (M/V) using tissue microarrays. World Journal of Surgery 2010 Sep;34(9):2115-21.

de Silva AP, Ariyasinghe S, Dassanayake AS, Hewavisenthi J, Ratnasena BGN, de Silva HJ. Menetrier’s disease treated with gastrectomy The Ceylon Medical Journal 2008;53;24-25.

Siriwardena PN, Arunasalam P, Hewavisenthi J, Deen KI. Histopathology reporting in colorectal cancer (CRC): a proforma improves quality. Colorectal Disease. 2009 Oct;11(8):849-53

de Silva AP , Kasturiratne A , Liyanage DLMN , Karunanayaka TKMP, Hewavisenthi SJDeS, Dassanayake AS , Farrell GC de Silva HJ. Is past exposure to hepatitis A protective against progressive fibrosis in non-alcoholic fatty liver disease? Liver International 2008;28;147 – 149.

S Rajindrajith, Dassanayke AS, Hewavisenthi J, De Silve HJ. Advanced hepatic fibrosis and cirrhosis due to nonalcoholic fatty liver disease in Sri Lankan children: a preliminary report. Hepatology International 2008;2;209-212.

Hewavisenthi SJDeS. Varying histological patterns in ulcerative colitis – implications in diagnosis and disease progression. The Sri Lanka Journal of Surgery 2006;24;24-25

Hewavisenthi SJDeS. Synchronous occurrence of lymphocytic Colitis with ulcerative colitis. The Sri Lanka Journal of Surgery 2006;24;22-23

Siriwardena PN, Hewavisenthi SJDeS, Deen KI. Histopathology reporting in colorectal cancer.The Ceylon Medical Journal 2006;51:156-157

Rathnayake SAGR, Hewavisenthi SJDeS, Ariyarathne J. Choriocarcinoma presenting as a renal tumour. The Ceylon Medical Journal 2006;51:127

Hewavisenth SJDeS, Palihawadana TS, Fernando WS, Wijeysinghe PS. Positive peritoneal fluid cytology in ovarian malignancies with metastases: a descriptive study. Sri Lanka Journal of Obstetrics and Gynaecology 2005;27:28-31

Hewavisenthi SJDeS. Getting the best results from a histopathology report : the responsibilities of the clinical team. The Sri Lanka Journal of Surgery 2005;23;2-5

Hewavisenthi SJdeS, Suranimala HDC, Alwis WHE, Senevirathne KDC. Histological evaluation and H. pylori status of dyspeptic patients without gastro oesophageal reflux. The Sri Lanka Journal of Surgery 2004;22:12-17

Hewavisenthi SJDeS. Deen K.I. Synchronous colorectal adenocarcinoma arising in a patient with serrated adenomatous polyposis. Ceylon Medical Journal 2005;50:91-92

Hewavisenthi SJDeS, Dassanayake AS, De Silva HJ. Clinical, biochemical and histological characteristics of non alcoholic steatohepatitis (NASH) patients in Sri Lanka. The Ceylon Medical Journal 2005;50;113-116

Wijesuriya RE, Deen KI, Hewavisenthi J, Balawardena J, Perera M. Neoadjuvant therapy for rectal cancer down-stages the tumor but reduces lymph node harvest significantly. Surgery Today 2005; 35: 442-445

Hewavisenthi SJDeS, Fernando P. Use and interpretation of phrases in histopathology reports. Ceylon Medical Journal 2005; 50: 37-38

de Silva HA, Hewavisenthi J, Pathmeshwaren A, Dassanyake AS,Nawarathne NMM, Peiris R, de Silva HJ. Comparison of one week and two weeks of triple therapy for the eradication of Helicobacter pylori in a Sri Lankan population: a randomised, controlled study. Ceylon Medical Journal 2004; 49: 118-122

Ihalagama IRIP. Hewavisenthi SJDeS, Wijeysinghe PS. Pregnancy following malignant struma ovarii. Ceylon Medical Journal 2004: 49; 90-91

Hewavisenthi SJDeS. De Silva MVC. Continuing medical education (CME) in pathology: the role of the college of pathologists of Sri Lanka. Journal of Diagnostic Pathology 2003;3:1-2

Fernando MAB, Deen KI, Hewavisenthi SJDeS. Primary Malignant anal melanoma - case report and review of the literature. The Sri Lanka Journal of Surgery 2002: 20; 37-41

Hewavisenthi SJDeS. De Silva MVC. Gastrointestinal stromal tumours (GIST) revisted. Journal of Diagnostic Pathology 2002; 3: 3-11

de Silva MVC, Hewavisenthi SJDeS. Quality assurance in histolpathology. Journal of Diagnostic Pathology 2001;2:1-2

Hewavisenthi SJDeS. Interpretation of Colorectal mucosal biopsies : A systematic approach. Journal of Diagnostic Pathology 2001; 2: 2-10

Hewavisenthi SJDeS, Samarasekera DS, Priyadharshani JWS. colorectal carcinoma - Audit of histopathology reports. Journal of Diagnostic Pathology 2000; 1: 19 -22

Hewavisenthi SJdeS, Wedysinghe AN. Interfollicular Hodgkins Disease with histological features of Castleman's disease. Ceylon Medical Journal 2000; 45: 138-139

Hewavisenthi SJDeS. Collure SK. Synovial Sarcoma in an unusual site. Ceylon Medical Journal 2000; 45: 82 -83

Hewavisenthi SJDeS, Ariyarathne J. Gunawardena PAHA. Mixed Medullary Follicular Carcinoma - An unusual thyroid neoplasm. Ceylon Medical Journal 2000; 45: 34-35

De Silva HA, Hewavisenthi J, Wijeysiriwardena B, Fonseka MMD. Methyldopa use should be restricted. Ceylon Medical Journal 1999; 44; 188-189

Hewavisenthi SJDeS, Dean KI. An appendiceal skip lesion in ulcerative colitis. Ceylon Medical Journal 1998: 43; 244- 245

Mainprize K, Hewavisenthi J, Savage A, Mortensen N, Warren BF. How many lymph nodes to stage colorectal carcinoma ?Journal of Clinical Pathology 1998: 51; 165-166

Publications in Conference Proceedings (Oral and Poster Presentations)

Fibromatosis like metaplastic carcinoma: a diagnostic challenge in a core biopsy. Rathnayake RMUS, Bandara KSP, Hewavisenthi SJDeS. Proceedings of the International Conference on Diagnostic Pathology of Breast and Female genital tract 2016, (CR-8) Pg 49

The pathological profile of endometrial carcinoma in a cohort of Sri Lankan patients. , Samarkoon, NK, Siriwikum LBDJLiyange SK, Mahendra BAGG, Rathnayake RMUS, Hewavisenthi SJDeS, Proceedings of the International Conference on Diagnostic Pathology of Breast and Female genital tract 2016, (RP-13) Pg 36.

Does lymph node retrieval by grouping according to UICC TNM protocol increase the yield of total number of positive lymph nodes in pancreaticoduodenectomy specimens? Samarkoon, NK, Siriwikum LBDJ, Liyange SK, Mahendra BAGG, Rathnayake RMUS, Edirieweera DS, Hewavisenthi SJDeS, Proceedings of the International Conference on Diagnostic Pathology of Breast and Female genital tract 2016, (RP-12) Pg 35.

An audit of histopathology reporting in Kausch- Whipple pancreaticoduodenectomy specimens. Siriwikum LBDJ, Samarkoon, NK, Liyange SK, Mahendra BAGG, Rathnayake RMUS, Hewavisenthi SJDeS, Proceedings of the International Conference on Diagnostic Pathology of Breast and Female genital tract 2016, (RP-11) Pg 34.

The clinicopathological profile of malignancies in the ampullary region. Siriwikum LBDJ, Samarkoon, NK, Liyange SK, Mahendra BAGG, Rathnayake RMUS, Hewavisenthi SJDeS, Proceedings of the International Conference on Diagnostic Pathology of Breast and Female genital tract 2016, (RP-10) Pg 33.

Sertoli Leydig cell tumours of the ovary: Three cases highlighting the varying clinical and histological spectrum. Rupasinghe GN, Ratnayke RMUS, Jayawickrema MMA, Hewavisenthi SJDeS. Proceedings of the Gastrointestinal, Bone and Soft tissue Pathology International Conference 2015 (CR-12) Pg 54.

The protean clinical, endoscopic and histological manifestations of solitary rectal ulcer syndrome. Hewavisenthi SJDeS, Epitakaduwa EKGDC, Ratnayake RMUS. Proceedings of the Gastrointestinal, Bone and Soft tissue Pathology International Conference 2015 (RP-14) Pg 40.

De Fonseka NML, Surandi MAT, Pathirana PMPL, Wickremasinghe WAI, Liyange SR, Ratnayake RMUS, Hewavisenthi SJDeS. Clinicopathological characteristics of inflammatory bowel disease. Proceedings of the Gastrointestinal, Bone and Soft tissue Pathology International Conference 2015 (RP-13) Pg 39.

Surandi MAT, Fonseka NML, Herath YB, Hemachandra NP, Mahendra BAGG, Ratnayka RMUS, Hewavisenthi SJDeS. A four year audit of colorectal biopsies at a teaching hospital in Sri Lanka. Proceedings of the Gastrointestinal, Bone and Soft tissue Pathology International Conference 2015 (RP-12) Pg 38.

Hewavisenthi SJDeS, Rathnayake RMUS, Selvakumar G. A neuroendocrine tumour of the cervix with an aggressive behavior: a rare case. Proceedings of the Diagnostic Pathology Update and Junior Academy International Conference 2014 (CR- 18) Pg 75.

Hewavisenthi SJDeS, Rathnayake RMUS, Pathirana PMPL, Fernando BNC, Peiris BDJV. Her-2 oncoprotein staining pattern in gastric carcinomas: a preliminary study. Proceedings of the Diagnostic Pathology Update and Junior Academy International Conference 2014 (RP-06) Pg 48.

Jayatunga DSP, Siriwardena RCS, Liyange CAHL, Hewavisenthi SJDeS. Early lessons of liver transplantation: Is NASH the unrecognized cause for cryptogenic cirrhosis. Proceeding of the International conference in Hepatobiliary and Pancreatic pathology 2013 (HB – 04) Pg 52

Jayasekera AB, Fernando WASR, , Liyange SK, Mahendra BAGG, Rathnayake RMUS, Hewavisenthi SJDeS. An audit of the liver biopsies performed in a tertiary care hospital. Proceeding of the International conference in Hepatobiliary and Pancreatic pathology 2013 (HB – 05) Pg 53.

Fernando WASR, Jayasekera AB, Liyange SK, Mahendra BAGG, Rathnayake RMUS, Hewavisenthi SJDeS. Assessing the adequacy of liver biopsy specimens. Proceeding of the International conference in Hepatobiliary and Pancreatic pathology 2013 (HB – 10) Pg 58.

Fernando WASR, Jayasekera AB, Liyange SK, Mahendra BAGG, Rathnayake RMUS, Hewavisenthi SJDeS. Evaluating the usefulness of liver biopsy in a local setting. Proceeding of the International conference in Hepatobiliary and Pancreatic pathology 2013 (HB – 01) Pg 49

Somarathne T, Weerasooriya WAND, Balasooriya BKLN, Mahendra BAGG, Rathnayake RMUS, Hewavisenthi SJDeS. Do patients duly collect their pathology reports following sign out? Proceedings of the Annual Academic sessions of the College of Pathologists of Sri Lanka 2012 (PP – 9) Pg 38.

Mahendra BAGG, Rathnayake RMUS, Hewavisenthi J. Views of students on the use of computer aided pathology practical classes. Proceedings of the Sri Lanka Medical Association 125th Anniversary Sessions (PP – 135) Pg 136.

Ranawaka CK, de Silva AP, Hewavisenthi SJ, Jayathilake TMAH, De Alwis WRS, Prevalence of eosinophilic eosophagitis among adult Sri Lankan patients with refractory upper gastrointestinal symptoms – a prospective study. Proceedings of the Sri Lanka Medical Association 125th Anniversary Sessions (OP – 31) Pg 29. In Journal of Gastroenterology and Hepatology vol.27 pp 315 – 315. 111 River street, Hoboken 07030-5774, USA: Wiley Blackwell, 2012.

Mahendra G, Weerasinghe WAK, Hemachandra NP, Rathnayke S, Hewavisenthi J. Primary mucinous carcinoma of the skin: A challange for the pathologist. Proceedings of the International conference on Dermatopathology and Uropathology 2011. (DP -2).

Mahendra G, Weerasinghe WAK, Pathirana PMPL, Rathnayke S, Hewavisenthi J. Incompletely differentiated sex cord / gonadal stromal tumour with a spindle cell morphology: A rare case of testicular spindle cell tumour. Proceedings of the International conference on Dermatopathology and Uropathology 2011. (UP-11).

Wijewantha IS, De Silva AP, Wijesinghe NT, Kumarasena RS, Hewavisenthi J, Dassayanke AS, De Silva HJ, Usefulness of ileoscopy during colonoscopy. Proceedings of the 124th Annual Academic sessions of the Sri Lanka Medical Association OP 33.

De Silva AP, Mannamperi A, Hewavisenthi SJ, Ariyasinghe MP, Dassanayke AS, Jewell DP, De Silva HJ, Sub Clinical Intestinal Mucosal Inflammation in Diarrhea Predominant Irritable Bowel Syndrome (IBS) in a Tropical Setting T1824 Gastroenterology 138, 5 (suppl 1) S 586

Kumarasiri MHTM Kandaragama KMKK, Hemasiri ND, Rathnayake RUMUS, Hewavisenthi J. Why are we having a high percentage of unsatisfactory cervical smears? Proceedings of the Annual Academic Sessions of the College of Pathologists Sri Lanka 2010 (FP – 8) Pg 43.

Dassanayake BK , Deen KI, Samita S, Hewavisenthi J, Deen R, Wickremesinghe NSA. A Positive Resection Margin Is The most important factor affecting local recurrence of rectal carcinoma in patients not receiving neoadjuvant therapy The College of Surgeons of Sri Lanka, Abstracts of the Annual Academic Sessions 2009

Manchanayake MMJH, Liyange SK, Munasinghe SK, De Silva HJ, Hewavisenthi SJDeS. Cannabis; a rare cause of hepatic veno- occlusive disease: A case report. Proceedings of the Annual Academic Sessions of the College of Pathologists of Sri Lanka (PP-3) Pg 40.

Nishad AAN, Herath HMRP, Padumadasa SG, Wijeysinghe PS, Fernando WS, Rathnayake RMUS, Hewavisenthi SJDeS. Histological types of gynecological tumour in the teaching hospital, Ragama over a 9 year period. Sri Lanka Journal of Obstetric and Gynaecology 2008:30 (Suppl 1)

Weerasinghe WAK, Liyange SK, Mahendra G, Rathnayake RMUS, Hewavisenthi SJDeS. Low grade ductal carcinoma in situ (DCIS): a dilemma for management. Proceedings of the International conference in Gynaecological and Breast Pathology 2009, Pg 26.

Liyanage SK, Weerasinghe WAK, Rathnayake RMUS, Hewavisenthi SJDeS, Wijeysinghe P. Borderline Brenner tumour of the ovary. Proceedings of the International conference in Gynaecological and Breast Pathology 2009, Pg 34.

Liyange SK, Weerasinghe WAK, Rathnayake RMUS, Hewavisenthi SJDeS. Rare presentation of serous carcinoma of the endometrium. Proceedings of the International conference in Gynaecological and Breast Pathology 2009, Pg 40.

Samaratunge SADGM, Kumari UAD, Ratnayake RMUS, Hewavisenthi SJDE Colorectal polyps in a Sri Lankan population. Proceedings of the Annual Academic Sessions of the College of Pathologists of Sri Lanka 2008 (PP-4) Pg 41..

Liyanage SK, Rathnayake RMUS, Hewavisenthi SJDeS, Fernando WS, Wijeysinghe PS, Gunasekera CN, De Silva HJ. A lady with massive vulval oedema. Proceedings of the International conference in Gastrointestinal Pathology 2007, Pg 41.

De Silva ESR, Liyanage SK, Kumarage S, Rathnayake RMUS, Hewavisenthi SJDeS. An obstructive lesion in the rectum: is it rectal carcinoma? Proceedings of the International conference in Gastrointestinal Pathology 2007, Pg 39.

Liyanage SK, Rathnayake RMUS, Hewavisenthi SJDeS, Kumarage S, Deen KI, Wijeysinghe PS. An unsual pelvic mass. Proceedings of the International conference in Gastrointestinal Pathology 2007, Pg 37.

Udayapushpa KV, Nawarathne NMM, Hewavisenthi SJDeS, Intestinal lymphangiectasia. Proceedings of the International conference in Gastrointestinal Pathology 2007, Pg 31.

Lakmali BKR, De Silva ESR, Raviraj S, Hewavisenthi SJDeS. A worrisome incidental lesion in the stomach Proceedings of the International conference in Gastrointestinal Pathology 2007, Pg 27.

Machanayake J, Jeyaratnam S, Raviraj S, Hewavisenthi SJDeS, Adenocarcinoma in arising in the Gastrooesophageal junction. Proceedings of the International conference in Gastrointestinal Pathology 2007, Pg 23

Ariyasinghe AVS, Dassanayake AS, De Silva AP, De Silva HJ, Hewavisenthi SJDeS, An unusal cause of ankle oedema Proceedings of the International conference in Gastrointestinal Pathology 2007, Pg 21

Fernando R, Wijeysinghe WAK, Hewavisenthi J, Pathmeshwaren A, Edirisinghe EDMAR, Atulugama NS, Abeysinghe APSD, WMPTS Fernando, Premathilake HMMS. Clinicopathological correlation in Autoimmune thyroiditis. The Sri Lanka Journal of Surgery 2007:25:41

Rathnayake RMUS, Hewavisenthi SJDeS. Lymphoid tangles is a useful cytological feature in the diagnosis of Hashimoto’s thyroiditis. Proceeding of the Annual Academic Sessions of the College of Pathologists of Sri Lanka2006. Pg 38 , Proceedings of the 120th Scientific Sessions of the Sri Lanka Medical Association 2007 (OP30) Pg20 , Proceedings of the 5th Asia Pacific IAP Congress, Singapore, 2007 Pathology International 2007:57(Suppl);A6

Mahendra BAGG, Hewavisenthi SJDeS. The agreement among different scoring systems used in the assessment of histological activity in ulcerative colitis.Proceeding of the Annual Academic Sessions of the College of Pathologists of Sri Lanka 2006. Pg 36, Proceedings of the 127th Scientific Sessions of the Sri Lanka Medical Association 2007 (PP 36) Pg 45 , Proceedings of the 5th Asia Pacific IAP Congress, Singapore 2007. Pathology International 2007:57(Suppl);A12

Mahendra BAGG, Hewavisenthi SJDeS. Is endoscopic examination alone adequate for determining the extent of disease in ulcerative colitis? Proceeding of the 119th Annual Scientific Sessions 2006 (PP 8) Pg 39 , Proceeding of the Annual Academic Sessions of the College of Pathologists of Sri Lanka2006. Pg 37.

Hewavisenthi SJDeS, Dayarathne KWN. Colonic mucin pattern in ulcerative colitis: Implications in disease progression and colorectal carcinoma risk. Proceeding of the 119th Annual Scientific Sessions 2006 (OP21) Pg 16-17, Proceeding of the Annual Academic Sessions of the College of Pathologists of Sri Lanka 2006. Pg 34-35 , Proceedings of the 5th Asia Pacific IAP Congress, Singapore, 2007 Pathology International 2007:57(Suppl);A12

Hewavisenthi SJDeS. Pathmeshwaran A, De Silva HJ. The value of BRUNT scoring in predicting the short outcome of non- alcoholic steatohepatitis. Proceedings of the 118th anniversary academic session of the Sri Lanka Medical association 2005 (OP 1) Pg 6 , Proceedings of 14th biennial meeting of the Asia pacific association for the study of the liver. Gastroenterology and Hepatology 2004; 19(Suppl): A741.

Janes S, Hewavisenth SJDeS, Zaitoun AM, Catton J, Lobo DN, Rowlands BJ. The role of perineural invasion in long term survival of pancreatic carcinoma. Proceedings of the 117th anniversary academic sessions of the Sri Lanka medical association 2004 (PP 22) Pg 68.

. De Silva HJ. Nawaratne NM , Hewavisenthi J. Clinical features and treatment outcomes of patients with irritable bowel syndrome with and without non specific colitis (NSC) on histology. Proceedings of the 116th anniversary academic sessions of the Sri Lanka medical association 2003 (0P 29) Pg 42.

. Wijeysuriya SRE, Kuruppuarachchi KGR, Deen KI, Weerasinghe A, Ramesh R, Hewavisenthi J Detection of micrometastasis in lymph nodes using reverse transcription polymerase chain reaction (RT_PCR) for cytokeratin 20 (CK-20): Are we understaging rectal cancer ? Proceedings of the annual sessions of the College of Surgeons of Sri Lanka and International conference of the SAARC Surgical care society 2003. (OP 70), Pg 174 , Proceedings of the 116th Anniversary academic sessions of the Sri Lanka Medical association. 2003 (OP 3) Pg 27, Proceedings of the British Society of Gastroenterology Annual meeting 2004. Gut 2004;53( Suppl 111):255: A66.

. Wijeysuriya SRE, Deen KI, Hewavisenthi J, Rathnayake G. Clinical outcome of patients having neo-adjuvant therapy (NAT) for rectal cancer: A case control study. Proceedings of the annual sessions of the College of Surgeons of Sri Lanka and International conference of the SAARC Surgical care society 2003. (OP 71), Pg 161.

Kumarage S, Gunawardhene PAHA, Hewavisenthi J, Deen KI. Gastroduodenal damage in major burns. How significant is it? Proceedings of the British Society of Gastroenterology Annual meeting 2002. Gut 2002 Supplement 1 256: A65, Proceeding of the Annual academic session of the College of Surgeons of Sri Lanka 2001 (PP 16) Pg 44.

Deen KI, Rajendra S, Sathesan B, Perera MPTR, Hewavisenthi J. Result of trans-anal inter-sphicteric resection (TAISR) combined with total mesorectal excision (TME) and colon-anal anastomosis for distal rectal cancer. Proceedings of the annual sessions of the College of Surgeons of Sri Lanka and International conference of the SAARC Surgical care society 2003. (OP 68), Pg 164.

Hewavisenthi SJDeS, O' Brien J, Powe D, Zaitoun AM. Cell kinetics in colorectal carcinoma progression: Proliferation or apoptosis? Proceedings of the annual sessions of the College of Surgeons of Sri Lanaka and International conference of the SAARC Surgical care society 2003. (OP 49), Pg 163, Proceedings of the 117th anniversary academic sessions of the Sri Lanka medical association 2004. (PP 30) Pg 72.

Wijeysuriaya SRE, KI Deen KI, Hewavisenthi J, Rathnayaka G. Do patients receiving neo-adjuvant therapy (NAT) for rectal carcinoma have significant ileal damage? Proceedings of the Annual Scientific sessions and the International conference of the College of Surgeons of Sri Lanka 2002 (OP 3.5) Pg 27.

Perea MTPR, Hewavisenthi SJDeS, Pathmeshwaren A, Deen KI. Histological predictors of survival in rectal cancer in the short term. Proceedings of the Annual Scientific sessions and the International conference of the College of Surgeons of Sri Lanka 2002 (OP 3.4) Pg 27 ,Proceedings of the British Society of Gastroenterology Annual meeting 2003. Gut 2003 (Suppl 1)52: A95.

Hewavisenth SJDeS, Suranimala HDC, Alwis WHD. Helicobacter associated gastric pathology. Proceedings of the Annual academic sessions of the College of Pathologists of Sri Lanka 2002 (OP 8) Pg 9, Proceedings of the Annual academic sessions and International Conference of the College of Surgeons of Sri Lanka 2002 (PP 6) Pg 37.

Hewavisenth SJDeS, Suranimala HDC, Alwis WHD. Gastric pathology in patients with dyspeptic symptoms. Proceedings of the 115th Annual academic sessions of the Sri Lanka Medical Association

Hewavisenthi SJDeS, De Silva HJ. Profile of Non alcoholic steatohepatitis in a Sri Lankan population. Journal of Gastroenterology and Hepatology 2001; 16:A81, Proceedings of the 114th anniversary academic sessions of the Sri Lanka Medical association 2001 (OP 10) Pg 26.

Wijeysuriya SRE, Dean KI, Hewavisenthi J, Balawardana J. Histological changes following NAT for rectal carcinoma. Proceedings of the Annual academic sessions of the College of Pathologists of Sri Lanka 2001 (OP 3) Pg 15.

Rathnayake SAGR, Hewavisenthi SJDeS, Ariyarathne J, Rupasinghe S. Tumor regression and lymph node status following NAT for Breast cancer. Proceedings of the Annual academic sessions of the College of Pathologists of Sri Lanka 2001 (OP 2) Pg 14. Proceeding of the Annual academic sessions of the International conference of the College of Surgeon of Sri Lanka 2001 (OP 14) Pg 22. Proceeding of the Annual academic sessions of the Sri Lanka Medical Association 2002 (OP 38) Pg 44.

Hewavisenthi SJDeS, De Silva HJ. Histological profile of Non alcoholic steatohepatitis patients in Sri Lanka. Proceedings of the Annual academic sessions of the College of Pathologists of Sri Lanka 2001 (OP 7) Pg 19

Wijeysuriya SRE, Hewavisenthi J, Dean KI, Saparamadu A, Balawardana J, Perera M, De Silva C, Lokuhetty D. Neo-adjuvant therapy for colorectal cancer - does it alter normal rectal mucosal morphology ? Proceedings of the International conference and Annual academic sessions of the College of Surgeons of Sri Lanka 2000 (OP 28) Pg 36.

Wijeysuriya SRE, Dean KI, Hewavisenthi J, Balawardana J, Perera M. Neo-adjuvant therapy (NAT) in rectal cancer - tumour regression and impact on lymph node harvest. Proceedings of the International conference and Annual academic sessions of the College of Surgeons of Sri Lanka 2000 (OP 9) Pg 26.

Hewavisenthi SJDeS. Peritoneal fluid cytology in ovarian carcinoma Proceedings of the 113th Anniversary sessions of the Sri Lanka Medical Association (PP-19) Pg 57

Hewavisenthi SJDeS, Fernando WPA. Do Pathologists and Clinicians understand each other?Proceedings of the 113th Anniversary sessions of the Sri Lanka Medical Association (PP 18) Pg 56, Proceeding of the Annual Academic sessions of The College of Pathologists of Sri Lanka 2000 (OP 6) Pg 8

4. Fernando WPA, Hewavisenthi SJDeS. Histology of the tendon sheath in trigger finger. Proceedings of the 113th Anniversary sessions of the Sri Lanka Medical Association (OP 23) Pg 37, Proceedings from the Annual academic sessions of the College of Surgeons 2000. (OP 27) Pg 36.

Nirielle DA, Ariyarathne MHJ, Deen KI, Hewavisenthi SJDeS. Use of fine needle aspiration cytology in preoperative assessment of thyroid nodules - Is it worth the while ? Proceedings of the Annual academic sessions College of Surgeons 1999, (FP 23).

Hewavisenthi SJDeS, Samarasekera DS, Priyadharshani JS. Colorectal carcinoma - an audit of Histopathology reports. Proceedings of the Annual academic sessions of the College of Pathologists of Sri Lanka 1999 (FP 6) Pg16, Proceedings of the Annual academic sessions of College of Surgeons of Sri Lanka 1999. (FP 22), Proceedings of the 113th Anniversary sessions of the Sri Lanka Medical Association (OP 27) Pg 39.

1. Hewavisenthi SJDeS, Adhikari AS, Saparamadu PAM. Accuracy of macroscopic evaluation in acute appendicitis. Proceedings of the Annual Academic Sessions of The College of Pathologists of Sri Lanka December 1997 (FP 6) Pg13

Other
Manual of Basic Cervical Cytology (funded by the UNFPA, published by the Cancer Control Programme Sri Lanka) Guideline for Cervical and Vaginal Cytology Screening (funded by UNFPA, published by the Catholic Press, Sri Lanka ) – 1988 National Guidelines on Reporting of Common Gastrointestinal Malignancies (Funded by the Ministry of Health care and Nutrition under the Health sector development project published by Ari Investments Ltd – 2007)