Question category: Dermatology
A 35 year old presents with red scaly patches on her face, scalp and hands. On examination there is evidence of red plaques on her face, hands and scalp with some bald patches. Some of the patches show evidence of scarring and discolouration with hyperpigmentation at the border. He is complaining of vague joint pain. Given the most likely diagnosis, what treatment is useful if systemic treatment is required?