a 43-year-old man with liver cirrhosis received transjugular intrahepatic portosystemic shunt (tips) for the treatment of recurrent variceal bleeding and f3 esophageal varices. during routine follow up liver ultrasound examination, six months after the implantation, tips occlusion was suspected and tips revision was performed. during the revision, moderate to severe stenosis at the hepatic veno...

Biliary tract obstruction in a 30-year-old man was found to be caused by a malignant melanoma in the common bile duct. Melanin pigment was demonstrated by immunohistochemistry and electron microscopy. Extensive search for a primary malignant melanoma elsewhere was unsuccessful. No pigmented lesions had been removed previously. There were junctional changes in the mucosa of the common bile duct ...

aim : to assess the complications of bile duct injury in laparoscopic cholecystectomy in loghman medical center, tehran. background : the incidence of complications of laparoscopic cholecystectomy has increased dramatically since the introduction and widespread use of laparoscopic cholecystectomy.  patients and methods : from january 1998 to january 2002, a total of 155 laparoscopic cholecystec...