Giant Retroperitoneal Malignant Peripheral Nerve Sheath Tumor Treated with Multiorgan Resection: a Case Report and Review of the Literature.

Malignant peripheral nerve sheath tumors (MPNST) are rare. Although they originate from Schwann cells or pluripotent neural crest cells, they constitute less than 10% of all soft tissue sarcomas and more than 60% develop on the basis of neurofibromatosis. It is difficult to diagnose MPNST.

Microorganisms isolated from the bile of the patients who have undergone cholecystectomy and their antibiotic resistance pattern: multicenter prospective study.

Background: Gallbladder and biliary tract infections are diseases with high mortality rates if they are not treated properly. Microbiological evaluation of perioperatively collected samples both ensures proper treatment of patients and guides empirical treatment due to the determination of microorganism susceptibility.

Aims: This study aimed to isolate the microorganisms in bile cultures from patients who underwent cholecystectomy and to determine sensitivity results of these microorganisms.

Effects of COVID-19 pandemic on colorectal cancer surgery.

Background: The coronavirus disease-19 (COVID-19) pandemic has changed the course of diseases that require emergency surgery.

Objective: To evaluate the effect of the COVID-19 pandemic on colorectal cancer disease stage.

Design And Setting: Retrospective analysis in the city of Rize, Turkey.

Effects of intraoperative blood loss during liver resection on patients’ outcome: a single- center experience.

Background/aim: Operative bleeding is one of the major determinants of outcome in liver surgery. This study aimed to describe the impact of intraoperative blood loss on the postoperative course of liver resection (LR).

Materials And Methods: The data of 257 patients who were treated with LR between January 2007 and October 2018 were retrospectively analyzed.

Is It Rational to Perform Liver Resection for Patients with Intermediate and Advanced Stages of Hepatocellular Carcinoma?

This study aimed to investigate clinical characteristics of hepatocellular carcinoma and the outcome of our aggressive treatment policy which follows the Barcelona Clinic Liver Cancer (BCLC) guidance. In this study, we retrospectively analyzed data of 102 patients who were treated for hepatocellular carcinoma between January 2007 and October 2016. Male predominance (81.