Erkan Gokce, Department of Radiology, Gaziosmanpaşa University, School of Medicine, Tokat 60100, Turkey
Murat Beyhan, Department of Radiology, Tokat State Hospital, Tokat 60100, Turkey
Author contributions: Gokce E and Beyhan M collected and analyzed the data equally; Gokce E designed, supervised and some statistical analysis the study; Gokce E and Beyhan M had taken part in literature research and manuscript preparation and had read and approved the final version.
Institutional review board statement: This study was reviewed and approved by the Ethics Committee of the Gaziosmanpaşa University School of Medicine (No: 18-KAEK-015).
Informed consent statement: Patients were not required to give informed consent to the study because figures used picture archiving and communication system were studied retrospectively. This study does not contain identifiable information of the participants.
Conflict-of-interest statement: The authors have no conflicts of interest to declare.
Data sharing statement: No additional data are available.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Erkan Gokce, MD, Associate Professor, Department of Radiology, Gaziosmanpaşa University, School of Medicine, Kaleardı Quarter, Muhittin Fisunoglu Street, Tokat 60100, Turkey. firstname.lastname@example.org
Telephone: +90-542-3798986 Fax: +90-362-2309105
Received: March 12, 2018
Peer-review started: March 13, 2018
First decision: April 23, 2018
Revised: April 29, 2018
Accepted: May 23, 2018
Article in press: May 23, 2018
Published online: July 28, 2018