Received: 20 April 2020
Accepted: 23 June 2020
First Online: 8 July 2020
Ethics approval and consent to participate
: This study was conducted in accordance with the ethical committee of the First Affiliated Hospital of Zhejiang University School of Medicine (approval number IIT20200055A).
: Written informed consent was obtained from the patient and his family for the publication of the images in this case report .
: The authors declare that they have no competing interests.