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This repository contains the published and unpublished research of the Faculty of Medicine by the staff members of the faculty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 Association of serum ferritin with diabetes and alcohol in patients with non-viral liver disease-related hepatocellular carcinoma(S. Karger, 2017) Siriwardana, R.C.; Niriella, M.A.; Dassanayake, A.S.; Ediriweera, D.; Gunetilleke, B.; Sivasundaram, T.; de Silva, H.J.INTRODUCTION: Non-alcoholic fatty liver disease is a leading cause for hepatocellular carcinoma (HCC) in Sri Lanka. Diabetes mellitus, alcohol abuse, and liver inflammation are known to increase the risk of HCC. The present study evaluates serum ferritin levels in a cohort of patients with non-viral HCC (nvHCC). METHODOLOGY: Consecutive patients with nvHCC presenting to the Colombo North Liver transplant Service, Ragama, from January 2012 to July 2013 were investigated. All were negative for hepatitis B and C. At registration, 5 mL of serum was separated into plain tubes, stored at -80°C and analysed for ferritin using an enzyme-linked immunosorbent assay. Correlation between the serum ferritin and patient risk factors, liver status, and tumour characteristics were analysed. RESULTS: There were 93 patients with nvHCC (median age 65 [12-82] years; 82 [88.2%] males). The median ferritin level was 246.2 μg/L, and 38 (40.86%) patients had elevated ferritin. Non-diabetics (median 363.5 mg/L, p = 0.003) and alcohol abusers (median 261.2 mg/L, p = 0.018) had higher ferritin levels. On multiple-variable analysis, being non-diabetic (p = 0.013) and alcoholic (p = 0.046) was significantly associated with high serum ferritin. No association was found with body mass index, tumour stage, size, macrovascular invasion, number of nodules, alpha-fetoprotein, bilirubin, international normalized ratio, and survival. CONCLUSION: In patients with nvHCC, serum ferritin levels are higher in non-diabetics and alcoholics.Item Diffuse-Type Hepatoma: A grave prognostic marker(Karger Medical and Scientific Publishers, 2017) Siriwardana, R.C.; Liyanage, C.A.H.; Gunetilleke, B.; Niriella, M.A.; de Silva, H.J.; Dassanayake, A.S.; Jayatunga, S.P.BACKGROUND: Data on diffuse-type hepatocellular carcinoma (HCC) are rare. HCC in Sri Lanka is rising, and the majority is related to nonalcoholic fatty liver disease. This study was planned to compare nodular- and diffuse-type HCC in this cohort. METHODS: CT scans of 227 patients with HCC negative for infective hepatitis were analyzed and grouped as nodular and diffuse from July 2011 to July 2014. Diffuse-type cancer was defined as a tumor without convex/distinct margin, diffusely infiltrating the hepatic parenchyma. There were 45 (20%) cases. The baseline liver functions, etiology, treatment, and the outcome were compared with nodular-type cancers. Stage III diffuse cancers were matched with 2 stage III nodular cancers looking at the T stage and background liver. RESULTS: There was no difference in the age (63 vs. 62 years, p = 0.937) and gender. Diffuse cancers had a low BMI (24 vs. 22, p = 0.009), a higher alpha fetoprotein (AFP) level (p < 0.001), a higher incidence of major vascular invasion (14 vs. 80%, p < 0.001), and a history of significant alcohol consumption (39 vs. 67%, p = 0.001). The baseline liver functions were similar in diffuse and nodular cancers. A large proportion (27 vs.77%, p < 0.001) of diffuse cancers were not candidates for active treatment. Overall survival was poor in the diffuse type(4.7 vs. 25 months, p < 0.001). Diffuse-type stage III cancers had a poor survival compared to matched nodular cancers (2.5 vs. 15.8 months, p = 0.001). CONCLUSION: HCC without a background of infective hepatitis were common in our cohort. These tumors are associated with high AFP levels, major vascular invasion, and a poor prognosis.