6th June 2025

A 27-year-old Indian woman has come to the Dermatology outpatient clinic with bilateral and symmetrical pale patches on her face.

A 27-year-old Indian woman has come to the Dermatology outpatient clinic with bilateral and symmetrical pale patches on her face. She is currently a university student but is embarrassed to go to her classes due to her skin. She has been wearing heavy make-up to cover the pale patches on her face. You suspect a diagnosis of Vitiligo. What is an appropriate laboratory investigation that can be done in these patients? 

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