Congenitalstenosis of the esophagus is not common.
先天性食管狭窄并不常见。
2
Objective: To analyze ct finding of congenitalstenosis of external meatus.
目的:分析先天性外耳道狭窄合并鼓室、听小骨畸形的CT表现。
3
The boy has a rare and potentially fatal condition called Long Segment Congenital Tracheal Stenosis, in which patients are born with an extremely narrow airway.