Footnotes

• Twitter @Murali_Doctor

• Collaborators Not applicable.

• Contributors MRY has identified the patient, carried out the literature search and drafted the manuscript; PS has reported the radiology; CR has collected the data and helped in the literature search; JMKM revised the manuscript.

• 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.

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