hyperkeratosis palmaris et plantaris

例句：

1. 1.The patient has developed hyperkeratosis on his palms and soles.
   病人的手掌和脚底出现了角质增生。
2. 2.Hyperkeratosis is a common condition that can lead to skin infections.
   角质增生是一种常见的状况，可能导致皮肤感染。
3. 3.Hyperkeratosis is often associated with aging and can be treated with topical creams.
   角质增生常与老化相关，可以通过外用药膏治疗。