hypophyseal necrosis

例句：

1. 1. The patient's condition worsened after the surgery, leading to a hypophyseal necrosis.
   手术后，患者的病情恶化，导致下丘脑坏死。
2. 2. The researcher found that the cause of the hypophyseal necrosis was likely due to an infection.
   研究者发现，下丘脑坏死的原因很可能是由于感染。
3. 3. The patient required immediate medical attention due to the severe hypophyseal necrosis.
   由于严重的下丘脑坏死，患者需要立即接受医疗救治。