Left paratracheal space
Spatium paratracheale sinistrum
Definition
The left paratracheal space lies to the left of the trachea and the esophagus. In a thin patient, the left paratracheal space is narrow and becomes broader as it goes down, particularly at the level of the aortopulmonary window.
References
Sharma M, Pathak A, Shoukat A, Somani P. Imaging of spaces of neck and mediastinum by endoscopic ultrasound. Lung India. 2016 May-Jun;33(3):292-305. doi: 10.4103/0970-2113.180866. PMID: 27185994; PMCID: PMC48575
