Footnotes

• Contributors KJF participated in the clinical care of the patient, contributed to the writing of the manuscript and edited clinical images. JP participated in the clinical care of the patient and contributed to the writing of the manuscript.The following authors gave final approval of the manuscript: KJF, JP.

• 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.

• Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

• Competing interests None declared.

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