Received: 14 September 2017
Accepted: 17 April 2018
First Online: 27 April 2018
Ethics approval and consent to participate
: This study was reviewed and approved by the institutional Human Investigation Committee of the Uonuma institute of Community Medicine Niigata University Hospital (Approval #2017–052).
: Written informed consent was obtained from all patients in accordance with the Helsinki declaration for publication of this case report and accompanying images. All patients’ data have been appropriately de-identified.
: The authors declare that they do not have a current financial arrangement or affiliation with any organization that may have a direct interest in their work.
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