Funding for this research was provided by:
National Natural Science Foundation of China (No. 81701723)
Received: 21 October 2019
Accepted: 10 February 2020
First Online: 14 February 2020
Ethics approval and consent to participate
: The patient provided written consent for the use of images and data for research purpose. As it is a case report, ethics approval is not necessary after consulting the Ethics Committee of the Fifth Affiliated Hospital, Sun Yat-sen University.
: Written consent for publication has been granted by the patient, who agreed that details/images may be viewed on the Internet and accessed by the general public.
: The authors declare that they have no competing interests..