Now, a lesion that looks like leukoplakia, but isn't, is an area of frictional keratosis.

如图是一种看起来像口腔黏膜白斑，但其不是的——擦性角化。

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综合征与掌角化。

An area of frictional keratosis is not a precancerous lesion and usually fades away once the irritation stops.

擦性角化不属于癌前变，一般当刺激因素去除后，它会自行消。

Uh...actinic keratosis is, uh, a premalignant lesion.

光线性角化是 呃 一种癌前变。

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， 重塑皮肤，我的手臂上有北极角化， KP，我会做任何事情来减轻它。