10th August 2020

A 28-year old man presents to dermatology clinic concerned about his nails

A 28-year old man presents to dermatology clinic concerned about his nails. He denies the presence of any rashes, joint pain or other symptoms. On examination, you note a yellow-red discolouration on the nails and areas where the nail plate is separated from the nail bed. The patient denies any tenderness.

For the patient above, please select the SINGLE most likely underlying cause of the presentation. Select ONE option from the list above.