| pityriasis rubra pilaris | A chronic skin disease characterised by small follicular papules, disseminated reddish-brown scaly patches, and often, palmoplantar hyperkeratosis. The papules are about the size of a pin and topped by a horny plug. (12 Dec 1998) |
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| keratosis pilaris atrophicans faciei | Erythema and horny plugs of outer portions of the eyebrows with destruction of follicles; onset in early infancy. (05 Mar 2000) |