10th August 2020

A young female is concerned as she has noticed several white patches on her nails

A young female is concerned as she has noticed several white patches on her nails. She has only just become aware of them but thinks that probably they have been present a while. On examination, several of her nails have small longitudinal white lines at the base of the nail approx. 2mm in size. She is usually fit and well and has no other complaints. 

For the patient above, please select the SINGLE most likely diagnosis. Select ONE option from the list above.