periosteoma

例句：

1. 1. The patient had a periosteoma on his left leg that was causing him pain.
   患者左腿上有一个骨赘瘤，导致他疼痛。
2. 2.The surgeon removed the periosteoma and performed an arthroscopic surgery to repair the joint.
   外科医生切除了骨赘瘤，并进行了关节镜手术来修复关节。
3. 3. The pathologist examined the tissue samples from the periosteoma and found it to be benign.
   病理学家检查了来自骨赘瘤的组织样本，发现它是良性的。