Received: 27 April 2021
Accepted: 21 July 2021
First Online: 31 July 2021
: The study protocol was approved by the Ethics Committee of Yantai Yuhuangding Hospital of Qingdao University (Approval No. 2020-287).
: Written informed consent was obtained from the patient for the publication of this case report and of the accompanying images.
: The authors declare that they have no competing interests.