A skin ulcer is an open break, wound, or sore on the skin that is difficult to heal. They are most usually caused by blood circulation problems, or by injury or pressure.
Úlcera de pele
![](https://nailknowledge.org/wp-content/uploads/2023/03/image002.jpg)
A skin ulcer is an open break, wound, or sore on the skin that is difficult to heal. They are most usually caused by blood circulation problems, or by injury or pressure.