Received: 14 November 2020
Accepted: 10 February 2021
First Online: 18 February 2021
Ethics approval and consent to participate
: The Ethics Committee of the Beijing Tongren Hospital affiliated to Capital Medical University waived the need for formal approval in this case. Full consent for procedures described was obtained from the patients.
: Written informed consent was obtained from the patient’s parent or guardian for publication of this case report and any accompanying images. A copy of the written consent is available for review by the Editor of this journal。.
: The authors declare that they have no competing interests.