osteochondritis

例句：

1. 1. He developed a severe case of osteochondritis due to overuse.
   由于过度使用，他患上了严重的骨软骨炎。
2. 2. The patient's condition worsened after the surgery, leading to osteochondritis.
   手术后，患者的病情恶化，导致骨软骨炎。
3. 3.The doctor diagnosed him with osteochondritis and prescribed medication to treat it.
   医生诊断他患有骨软骨炎，并开了药来治疗。