osteochondrolysis

例句：

1. 1. The patient's condition worsened after the surgery.
   手术后，患者的病情恶化了。
2. 2.This disease is characterized by bone pain and joint swelling.
   这种疾病的特点是骨痛和关节肿胀。
3. 3.Treatment for this condition involves rest, medication, and sometimes surgery.
   这种病症的治疗包括休息、药物治疗，有时还需要手术。