Received: 16 September 2019
Accepted: 21 January 2020
First Online: 28 January 2020
Ethics approval and consent to participate
: This study was approved by the research ethic committee of the Radiology Department of the Faculty of Medicine at Cairo University on March 04, 2017, reference number of approval 653-2017. All patients included in this study gave written informed consent to participate in this research.
: All patients included in this research gave written informed consent to publish the data contained within this study.
: The author declares that he has no competing interests.