Keratoderma is a feature of -: (A) Pityriasis rubra pilaris, (B) Pemphigus, (C) Pityriasis rosea, (D) Psoriasis
Answer is A. pityriasis rubra pilaris: progress to erythroderma- with islands of sparing skin-nappies claires Fitzpatrick texbook of dermatology, page 532