Footnotes

• Contributors TC and ATA conceptualised, researched and wrote the manuscript.

• Competing interests None declared.

• Patient consent Written informed consent was obtained from the patient for publication of this case report and accompanying images. A copy of the written consent is available for review by the Editor of the journal. Neither the figure nor the text contains data that can identify the patient.

• Provenance and peer review Not commissioned; externally peer reviewed. This paper was reviewed by Christian Lueck, Canberra, Australia.