arachnoid cyst

例句：

1. 1. The patient had a rare condition called arachnoid cyst that required surgery.
   患者患有一种罕见的状况，称为脑膜囊肿，需要进行手术。
2. 2.The doctor diagnosed the patient with arachnoid cyst and recommended an MRI scan for further evaluation.
   医生诊断出患者患有脑膜囊肿，并建议进行磁共振成像扫描以进一步评估。
3. 3.The patient's symptoms worsened after undergoing surgery for the arachnoid cyst.
   患者在进行脑膜囊肿手术后症状恶化。