neurotrophic ulcer

例句：

1. 1.The patient's condition worsened, and he developed a neurotrophic ulcer.
   患者的病情恶化，他发展了神经营养性溃疡。
2. 2. This medication is known to have neurotrophic properties.
   这种药物已知具有神经营养特性。
3. 3. Neurotrophic ulcers are often caused by the use of certain drugs.
   神经营养性溃疡通常由某些药物的使用引起。