Received: 28 June 2019
Accepted: 24 December 2019
First Online: 17 January 2020
Ethics approval and consent to participate
: This study was approved by the ethics committee of radiology department at kasr El Ainy hospital Cairo university. Patients included gave informed written consent to use their data in research work. The committee’s reference number is not applicable.
: All patients included in this research gave written consent to publish the data contained within this study. If the patient was less than 16 years old, deceased, or unconscious when consent for publication was requested, written informed consent for the publication of this data was given by their parent or legal guardian.
: The authors declare that they have no competing interests.