Received: 1 June 2021
Accepted: 13 July 2021
First Online: 26 July 2021
: The authors declare that there is no competing interest.
: All procedures performed in the study were in accordance with the ethical standards of the Faculty of Medicine, Ain Shams University Research and Ethical Committee, and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. An approval from the local ethical committee of faculty of medicine Ain Shams University was approved.
: Written informed consent was obtained from participants or next of kin for publication of this case series and accompanying images. We obtained approval from research ethics committee on April 2020.