cavernous sinus thrombosis

例句：

1. 1.He had a severe headache and was taken to the hospital for treatment.
   他头痛严重，被送往医院治疗。
2. 2. The patient's condition worsened, and he needed urgent medical attention.
   患者的病情恶化，需要紧急医疗援助。
3. 3.Doctors performed an emergency surgery to remove the clot from his cavernous sinus.
   医生进行了紧急手术，将血栓从他的海绵窦中取出。