Acknowledgments
We thank Helen Jeays, BDSc, from Liwen Bianji (Edanz) (www.liwenbianji.cn) for editing the English text of a draft of this manuscript.
Ethics approval and consent to participate
Not applicable.
Consent for publication
Written informed consent was obtained from the patient for publication of this case report and accompanying images.
Disclosure statement
The authors report no conflict of interest.