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What is Keratodermic sandles is a feature of - and explain in detail?
pityriasis rubra pilaris- rare papulosquamous disease clinical features: erythematous macules , patches, follicular hyperkeratotic papules. yellow orange scales progress to erythroderma-islands of normal skin-"nappies claires" waxy diffuse yellowish keratoderma of palms and soles-"keratodermic sandals" treatment: topical :emollients,salicylic acid, urea, calcipotriol, steroids for limited disease systemic: retinoids, methotrexate, PUVA,NBUVB,azthioprine, cyclosporine, TNF alpha antagonists. fitzpatricks textbook of dermatology, page 532