Article History
Received: 11 September 2019
Accepted: 26 December 2019
First Online: 2 January 2020
Ethics approval and consent to participate
: This case report was in accordance with ethical committees of Tokyo Medical and Dental University.
: The authors certify that written informed consent was obtained in an appropriate form. The patient gave his consent for clinical information and images to be reported.
: The authors declare no potential conflict of interests.