6th June 2025

Mrs France who is 86 years old has come in to see her GP with nail changes.

Mrs France who is 86 years old has come in to see her GP with nail changes. She is worried about it and not sure what is causing it. She feels otherwise well in herself with no other symptoms of systemic illness. She reports no history of trauma to the nails. Her past medical history includes non-insulin dependent diabetes, hypercholesterolaemia, and depression. She shows you her nails.

Given the above changes seen to the nail, what would be the next most appropriate investigation?

Select the SINGLE most appropriate option from the list below. Select ONE option only.