Medicine
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This repository contains the published and unpublished research of the Faculty of Medicine by the staff members of the faculty
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Item Young patients with colorectal cancer have poor survival in the first twenty months after operation and predictable survival in the medium and long-term: analysis of survival and prognostic markers(BioMed Central, 2010) Chan, K.K.; Dassanayake, B.; Deen, R.; Wickramarachchi, R.E.; Kumarage, S.K.; Samita, S.; Deen, K.I.OBJECTIVES: This study compares clinico-pathological features in young (<40 years) and older patients (>50 years) with colorectal cancer, survival in the young and the influence of pre-operative clinical and histological factors on survival. MATERIALS AND METHODS: A twelve-year prospective database of colorectal cancer was analysed. Fifty-three young patients were compared with forty-seven consecutive older patients over fifty years old. An analysis of survival was undertaken in young patients using Kaplan Meier graphs, non-parametric methods, Cox's Proportional Hazard Ratios and Weibull Hazard models. RESULTS: Young patients comprised 13.4 percent of 397 with colorectal cancer. Duration of symptoms and presentation in the young was similar to older patients (median, range; young patients; 6 months, 2 weeks to 2 years, older patients; 4 months, 4 weeks to 3 years, p > 0.05). In both groups, the majority presented without bowel obstruction (young--81%, older--94%). Cancer proximal to the splenic flexure was present more in young than in older patients. Synchronous cancers were found exclusively in the young. Mucinous tumours were seen in 16% of young and 4% of older patients (p < 0.05). Ninety-four percent of young cancer deaths were within 20 months of operation. At median follow up of 50 months in the young, overall survival was 70% and disease free survival 66%. American Joint Committee on Cancer (AJCC) stage 4 and use of pre-operative chemoradiation in rectal cancer was associated with poor survival in the young. CONCLUSION: If patients, who are less than 40 years old with colorectal cancer, survive twenty months after operation, the prognosis improves and their survival becomes predictable.Item Complete migration of a composite mesh into small bowel incidentally found during laparotomy for colectomy in an asymptomatic patient: a case report(BioMed Central, 2020) Chandrasinghe, P.; de Silva, A.; Welivita, A.; Deen, K.I.BACKGROUND: Composite meshes are used for incisional hernia repair because they enable intraperitoneal mesh placement due to their dorsal surface, which is made of inert material. We report, for the first time, to our knowledge, a case of composite mesh migration detected incidentally during a laparotomy for colon cancer in an asymptomatic patient. CASE PRESENTATION: Our patient was a 71-year-old South Asian man who underwent ventral mesh repair following a postoperative complication after right hemicolectomy for colon cancer. The patient was diagnosed with a metachronous sigmoid cancer 5 years later, for which he underwent laparotomy. During laparotomy, a migrated mesh was incidentally found and extracted from his proximal ileum without any evidence of abscess or fistula formation. CONCLUSION: To our knowledge, this is the first report of an incidentally found migrated composite mesh from a bowel lumen in an asymptomatic patient. KEYWORDS: Case report; Composite mesh; Mesh complications; Mesh migration.