Received: 2 September 2019
Accepted: 27 September 2019
First Online: 24 October 2019
Ethics approval and consent to participate
: Not applicable as a case report is not regarded as a study according to the “Ethical Guidelines for Medical and Health Research Involving Human Subjects” of the Japanese Ministry of Health, Labour and Welfare.
: Written informed consent was obtained from the patient for publication of this case report, including their medical data and images.
: The authors declare that they have no competing interests.