Received: 27 November 2019
Accepted: 16 July 2020
First Online: 7 August 2020
Ethics approval and consent to participate
: The protocol was reviewed and approved by the local ethics committee of the Radiology Department, Cairo University.The reference number is not applicable.All patients had given their written consents for participation in this work.
: All patients had given their written consents for publication.
: All authors had no competing interests.