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800x600 hepatitis b virus (hbv) infection is the main cause of chronic hepatitis, cirrhosis and hepatocellular carcinoma (hcc). several factors such as serum hbv dna level, genotype and specific viral mutations have been clarified to determine disease progression of chronic hepatitis b. among these, mutations can also occur in chronic hbv patients with antiviral treatment such as lamivudine the...

normal 0 false false false en-us x-none ar-sa unicameral bone cysts (ubcs) are benign, osteolytic lesions which are often asymptomatic and are commonly seen in the proximal of humerus and femur. the average age at diagnosis is 9-11 years and there is a male preponderance with a male-to-female ratio of approximately 2-2.5 to 1. we describe a case of 5-year-old girl who presented to orthopedic cl...

normal 0 false false false en-us x-none fa microsoftinternetexplorer4 jejunal diverticula have a prevalence of approximately 1% in the general population. perforation of jejunal diverticulum is a rare. clinically this diagnosis may be easily confused with other causes of an acute abdomen. in the article, we discuss a 74-year–old man with a 2-day history of constipation and left–sided abdominal ...

normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 sir, leiomyoma is the most common tumor of uterus and female pelvis. leiomyosarcoma almost always arise de novo and almost it doesn’t results from sarcomatous transformation of a leiomyoma. one of the most controversial concepts on the subject of uterine smooth muscle tumors is smooth muscle tumor of uncertain malignant po...