He returned to work earlier this month after successful surgery to plug a pin-size hole in the bone covering the semicircular superior canal in one of his ears.
本月早前,在将覆盖着上半规管的引脚大小的骨头缺口填补的手术成功之后,他重新回到了工作岗位。
2
If you have a normal thickness ofbone, which is about 0.6 or 0.7 millimeter covering the superior canal, that's very unlikely to ever erode.
如果你有正常厚度——大概0.6 ~ 0.7毫米——的骨头覆盖上半规管,那就很难发生病变了。
3
Our hypothesis is that about 1 or 2 percent of the population fails to develop a normal thickness ofbone overlying the superior canal.