Conflict of interest

The authors declare no competing interests.

Consent to participate

This article is categorized under “Image of the Month”; therefore, ethical approval was waived in view of the retrospective nature of the study and all the procedures being performed were part of the routine care.

Consent for publication

Written informed consent for publication was obtained from the patient, including permission to publish clinical details. A copy of the written consent is available for review by the Editor of this journal upon request.

Patient consent

Signed patient consent was obtained prior to writing this study.