mallet finger deformity

例句：

1. 1. The patient had a hammerfinger deformity that made it difficultfor him to use his hands.
   患者有锤指畸形，这使他难以使用他的手。
2. 2. She was born with a hammer toe deformity and has had surgeryto correct it.
   她出生时就有锤趾畸形，并已经接受过手术来纠正它。
3. 3. The hammer finger deformitycan be caused by a variety of factors, including genetics and injury.
   锤指畸形可以由多种因素引起，包括遗传和伤害。