Received: 23 August 2019
Accepted: 11 November 2019
First Online: 29 November 2019
Ethics approval and consent to participate
: This case report was approved by the ethics committee of Tohoku University Hospital (protocol identification number: 16577). Consent to publish the case report was not obtained. This report does not contain any personal information that could lead to the identification of the patient
: The authors declare that they have no competing interests.