Footnotes

• Contributors The following authors were responsible for drafting the text, sourcing and editing of clinical images, investigation results, drawing original diagrams and algorithms, and critical revision for important intellectual content: AC and MAK prepared the manuscript with adequate planning and execution. AC, RC, DC and MAK contributed to patient management, review of literature, critical revision of content and final approval of manuscript. All authors agree to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved. The following authors gave final approval of the manuscript: AC, MAK, DC and RC. Guarantor name for this submission: AC.

• 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.