Specific risk factors include alcohol, hot fluids, caustic strictures, Plummer-Vinson syndrome, and palmoplantar keratosis.

特有的危险因素包括饮酒、喝热液、腐蚀性食管狭窄、Plummer-Vinson综掌跖角化病。

Palmoplantar keratoderma is a rare disease where thick patches of skin develop on the hands and feet.

掌跖角化病是一种罕病，患者的手脚会出现增厚性斑片。

Sometimes I'm feeling crazy, and I put it on my arms a little bit too, because it's exfoliating, resurfacing, and I've got keratosis polaris, KP, thing on my arms and I'll do anything to mitigate that.

有时我感觉很疯狂， 我也把它放在我的手臂上一点点，因为它正在去角质， 重塑皮，我的手臂上有北极角化病， KP，我会做任何事情来减轻它。