Received: 10 August 2018
Accepted: 6 January 2019
First Online: 28 January 2019
Ethics approval and consent to participate
: Study design was approved by the ethical committee at faculty of medicine, Zagazig University, Egypt. Date of approval is December 2013. All patients were informed and agreed to participate in this study with written consents.
: Written consent to publication were obtained from patients whom radiological images were submitted.
: The authors declare that they have no competing interests.
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