Received: 18 May 2020
Accepted: 23 September 2020
First Online: 23 November 2020
Ethics approval and consent to participate
: All procedures performed involving human participants were in accordance with the ethical standards of the Institutional Review Board of Showa University and with the 1964 Helsinki Declaration and its later amendments.
: Informed consent was obtained in written form from patients included in this study.
: Informed consent was obtained from the patients to publish this case report and all accompanying images.
: The authors have no competing interests to declare. The author stated no disclosures of each author individually.