A 6 year old girl presents with difficulty in walking. On examination painful hyperkeratotic lesions were seen on the plantar aspect of her feet. Past history is significant for treatment of bilateral corneal ulceration and opacities at 1 year of age. She was born out of a consanguineous marriage and similar complaints were present in her maternal uncle and grandmother. What is the suggestive diagnosis?
Which are the laboratory tests required? What is the management? Source: Tekin B et al. Indian J Dermatol Venereol Leprol 2015;81:303-5
