Received: 27 November 2019
Accepted: 2 December 2019
First Online: 30 December 2019
Ethics approval and consent to participate
: The protocol was reviewed and approved by the local ethics committee of the radiology department, Kasr Aliny hospital, Cairo University.The reference number was not applicable.All patients had given their written consents to participate in this work.
: All patients had given their written consents for the publication of this work.
: The authors declare that they have no competing interests.