Tentorium cerebelli

例句：

1. 1. The patient had a tentorial cyst that needed to be surgically removed.
   这名患者有一个脑膜膨出，需要手术移除。
2. 2. Tentorial cysts are rare but can cause significant headaches.
   脑膜膨出虽然罕见，但可能会导致严重的头痛。
3. 3. In some cases, the tentorial cyst may be associated with other neurological conditions.
   在某些情况下，脑膜膨出可能与其他神经系统疾病有关。