Citation, DOI, disclosures and article data
At the time the article was created Craig Hacking had no recorded disclosures.View Craig Hacking's current disclosures
At the time the article was last revised Craig Hacking had no recorded disclosures.View Craig Hacking's current disclosures
Lunate trachea is a rare variant of the trachea in inspiration where the trachea has a flattened shape said to resemble a crescent or moon. Normally the tracheal index (ratio of coronal to sagittal diameter) is less than 1, but with lunate trachea the ratio is greater than 1 1, 2.
It is a very specific but poorly sensitive sign of tracheomalacia 1, 3.