Footnotes

• Contributors ST compiled the images, undertook the research and wrote the report. BO supervised the project and reviewed the report prior to submission. RS was the lead consultant for the patient and performed the angiogram and PCi.

• Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

• Competing interests None declared.

• Patient consent for publication Consent obtained directly from patient(s).

• Provenance and peer review Not commissioned; internally peer reviewed.