background: patients with malignant obstruction of the biliary tract suffer from progressive jaundice and purities, and if the obstruction is not relieved they will die from cholangitis, septicaemia or liver failure. the correct choice between many operative and non-operative procedures available to relive jaundice is not yet determined. unresectable disease (perihilar cholangiocarcinoma) found...

OBJECTIVES/HYPOTHESIS Drilling in modified endoscopic Lothrop procedure (MELP) is traditionally described as commencing from the frontal recess (FR). This is challenging when the FR is involved by tumor, inflammatory disease, or scarring. The outside-in MELP, where the limits of the sinusotomy are first defined and the FR is addressed last, is described. STUDY DESIGN Case-control study. MET...

Introduction: Craniospinal radiotherapy is a therapeutic technique for central nervous system (CNS) tumors, which requires meticulous attention to technique and dosimetry.Treatment planning system (TPS) is one of the main equipment in radiotherapy; therefore, the evaluation of its accuracy is essential for dose calculation. The present study evaluates the validity of Isogray TPS in craniospinal...

INTRODUCTION Several techniques have been used for arthroscopic repair of middle segment, posteromedial or posterolateral corner tears of the meniscus. One of the commonly used methods is the inside-out double arm needle technique. SURGICAL TECHNIQUE We have developed a vertical mattress absorbable suture technique. It is easy to perform with a small sized skin incision for knot tying. This t...