A child is presenting with erythmatous follicular papules on trunk. There are areas of normal skin within the lesions. There is thickening of Palms & soles. This child is suffering from –

Clues are :- Erythmatous follicular papules Involvement of trunk Thickening of Palm and soles (Palmo-Planter keratoderma) The most important one is presence of normal skin within the lesions Diagnosis is nothing other than pityriasis rubra pylaris.