10th August 2020

A 56-year-old female presents to her GP with an intensely itchy rash that has been present a few weeks

A 56-year-old female presents to her GP with an intensely itchy rash that has been present a few weeks, located on her wrists. On examination, there are several purple/red plaques on the palmar aspect of her wrist. They appear shiny and firm on palpation. Her nails also appear abnormal. They have several ridges in them which appear whitened and run longitudinally. One of her nails is missing. 

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