hyperkeratotic

1.Prurigo nodularis （PN） is a chronic pruritic dermatosis of unknown etiology, characterized by firm, symmetrically localized hyperkeratotic pruritic papules and nodules.

性痒为一因未明的慢性瘙痒性发性皮。特点为突出于皮的角化过度的丘、，剧烈瘙痒，呈对称性分布。