myelocyst

例句：

1. 1.The patient had a myelocyst removed from his spine.
   患者从脊柱中取出了一个髓囊肿。
2. 2. Myelocysts are rare but can cause significant pain and discomfort.
   髓囊肿罕见，但可以引起严重的疼痛和不适。
3. 3. Treatment for myelocysts often involves surgery to remove the cyst.
   治疗髓囊肿通常需要手术来移除囊肿。