Footnotes

• Contributors All authors have read and approved the case. Each author has contributed significantly to the work. AFL was responsible for conception, design, review of literature and writing the case; PHNC and CLG were responsible for the cardiac surgery, LFPB and TCT helped in the design of the case and MCPN made important contributions to interpretation of the images.

• Competing interests None.

• Patient consent Obtained.

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