necrotizing external otitis

例句：

1. 1. The patient's condition worsened, and he was diagnosed with necrotizing external otitis.
   患者的病情恶化，被诊断为坏死性外耳炎。
2. 2. The doctor prescribed antibiotics to treat the patient's necrotizing external otitis.
   医生给患者开了抗生素来治疗坏死性外耳炎。
3. 3. The necrotizing external otitis required immediate surgical intervention.
   坏死性外耳炎需要立即进行手术治疗。