Preoperative computerized tomography screening for COVID-19 pneumonia in asymptomatic patients: experiences from two centers.

Purpose: The aim of this retrospective study is to evaluate the preoperative screening performance of chest CT (computerized tomography) examination to detect COVID-19 positive individuals.

Materials And Methods: In this retrospective study 218 adult patients who had preoperative chest CT and RT-PCR were enrolled. CT imaging results, which have been reported according to the Radiological Society of North America expert consensus on COVID-19, were collected from the picture archiving and communicating system.

Vildagliptin-induced acute pancreatitis without enzyme elevation.

We describe 2 patients with diabetes mellitus, presenting with upper abdominal pain. Although imaging findings were consistent with acute pancreatitis (AP), serum amylase and lipase levels were within normal limits. In both the cases, the only identifiable diagnostic culprit was vildagliptin.

Effect of Posterior Dynamic Instrumentation on High-Intensity Zone in Lumbar Degenerative Disc Disease.

Aim: To investigate high-intensity zone (HIZ) changes after lumbar posterior dynamic instrumentation.

Material And Methods: Our study included 53 patients: 27 patients in group 1, 26 patients in group 2. All patients had one or two levels of degenerative disc disease with an HIZ confirmed by magnetic resonance imaging (MRI).