A 42-year-old healthy female working as a dishwasher, suffering from painful erosions on the hand and nail-fold changes from several weeks. On bilateral hands, there are brightly erythematous fissured erosions in the interdigital web spaces between fingers, in addition to edema and erythema of the proximal nail folds of several digits.

What could be the possible diagnosis, and the recommended treatment for this case? *This case is from Docplexus Editorial Team for educative purpose only.