10th July 2023

A 26-year-old man with Fitzpatrick type V skin presents with an area of painful skin on his right hand

A 26-year-old man with Fitzpatrick type V skin presents with an area of painful skin on his right hand. You examine a well-defined depigmented erythematous patch with an overlying blister on the dorsum of his hand. He has just returned from a hot holiday. You suspect vitiligo.

What is the most likely reason for his presentation?

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