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Article History

Received: 11 May 2020

Revised: 1 June 2020

Accepted: 2 June 2020

First Online: 12 June 2020

Compliance with ethical standards

:

: None.

: All procedures performed in this study were in accordance with the ethical standard of National Hospital Organization Okayama Medical Center and with the 1964 Helsinki declaration and its later amendments. IRB approval was waived.

: We obtained written informed consent from the patient and her parents for publication of this case report together with any accompanying images.

Free to read: This content has been made available to all.