Shades of grey: what is paediatric psoriasiform dermatitis and what does it have in common with childhood psoriasis?

We found that patients with dermatitis who have ≥ 4 psoriasis-associated features may have a condition that has been previously alluded to but not defined in the literature, 'psoriasiform dermatitis'. Treatments usually reserved for patients with psoriasis appear to be effective in these patients.