Received: 21 March 2019
Accepted: 22 August 2019
First Online: 31 August 2019
Ethics approval and consent to participate
: The study was approved by the ethic committee of The Second Hospital of Shandong University and Weifang People’s Hospital.
: Written informed consent was obtained from the patient’s son for publication of this case report and any accompanying images. A copy of the written consent is available for review by the Editor of this journal.
: The authors declare that they have no competing interests.