subaortic course of innominate vein
MONDO:0020444Mondo
Findings
No curated finding names subaortic course of innominate vein yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Subaortic course of innominate vein is a rare congential anomaly of the great veins characterized by an anomalous course of the left brachiocephalic vein, passing from left to right below the aortic arch and entering the superior vena cava below the orifice of the azygos vein. Patients are frequently asymptomatic and diagnosed incidentally on imaging studies. Other cardiac malformations may be associated.
Definition from the Mondo Disease Ontology (MONDO:0020444), read 2026-09-29. CC BY 4.0.
Where it sits
Other names
1 name
Resolves to: subaortic course of innominate vein
- Also called
- subaortic course of brachiocephalic vein