Footnotes

• Twitter @uibhroin

• Contributors SUB took the photographs, wrote the article and liaised with the patient for consent. AJ assisted in the management of the patient, reviewed the article and provided guidance. NL assisted in the interpretation of thee ultrasound images and in choosing the best image to be submitted with the article.

• 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.