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
SCDS can occur when some part of the bone protecting the superior semicircularcanal is missing.
当保护上半规管的部分骨头缺失时，SCDS就会发生。
3
Superior canal dehiscence syndrome is a disorder caused by an opening in the bone that should cover the inner ear's top balance canal (called the superior semicircularcanal).