Karima Siai

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Kaposi sarcoma is a mesenchymal tumor associated to a human herpes virus-8. It often occurs in human immunodeficiency virus-positive subjects. Colorectal localization is rare. We report the case of a colorectal Kaposi sarcoma complicating a refractory ulcerative colitis treated with surgery after the failure of immunomodulator therapy in a human(More)
PURPOSE The aim of this study was to determine the prevalence of Helicobacter pylori infection in a population of schoolchildren six years of age and to identify the risk factors that predispose children to such infection. PATIENTS AND METHODS A total of 1055 first-grade primary-school pupils were included. Socioeconomic factors, eating habits,(More)
Hepatitis B virus and hepatitis C virus are the two most common causes of chronic liver disease in the world. Dual infection with hepatitis B virus and hepatitis C virus, whose prevalence is underestimated, is characterized by a more severe liver injury, a higher probability of liver cirrhosis and a higher incidence of hepatocellular carcinoma. Treatment of(More)
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