Statistics from Altmetric.com
Contributors ML made the original diagnosis, prepared the images and helped with the manuscript. RR reviewed the literature and prepared the manuscript. RSM reviewed the original images, made the diagnosis and reviewed the manuscript.
Competing interests None.
Patient consent Obtained.
Provenance and peer review Not commissioned; internally peer reviewed.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.