Footnotes

• Contributors The following authors were responsible for drafting of the text, sourcing and editing of clinical images, investigation results, drawing original diagrams and algorithms, and critical revision for important intellectual content: TN: drafting of the text, sourcing and editing of clinical images, investigation results. MT: sourcing and editing of clinical images, investigation results. KK: sourcing and editing of clinical images, investigation results. KI: investigation results and critical revision for important intellectual content. The following authors gave final approval of the manuscript: KI.

• 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.