Received: 13 May 2019
Accepted: 31 July 2019
First Online: 6 August 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Beijing Jishuitan Hospital. Written informed consent was obtained from the patient to participate to this case report and any accompanying images.
: Written informed consent for publication of their clinical details and clinical images was obtained from the patient.
: The authors declare that they have no competing interests.