intraoccipital synchondrosis

例句：

1. 1.He was diagnosed with intraoccipital synchondrosis, which caused him severe headaches.
   他被诊断出患有颅内关节融合症，这导致他严重头痛。
2. 2.The patient's condition worsened due to the intraoccipital synchondrosis.
   由于颅内关节融合症，患者的病情恶化了。
3. 3. The diagnosis of intraoccipital synchondrosis requires specialized medical care and treatment.
   颅内关节融合症的诊断需要专门的医疗护理和治疗。