4 articles
Absence of innominate vein
Absence of innominate vein is a rare congenital anomaly in which the left brachiocephalic vein is absent, usually asymptomatic and typically found incidentally on imaging or during surgery.
Inferior vena cava
Inferior vena cava (IVC), vena cava inferior: the largest vein below the diaphragm, formed by the common iliac veins, carrying lower-body blood to the heart; site of IVC filters (PREPIC, PREPIC2) and ultrasound fluid assessment.
Left superior caval vein
Left superior caval vein (persistent left superior vena cava, PLSVC): the most common thoracic venous anomaly, a left-sided SVC draining via the coronary sinus, present in about 0.6% of people and up to 10% of congenital heart disease patients.
Superior vena cava
Superior vena cava (SVC): the largest central systemic vein, draining upper-body blood to the right atrium; formed by brachiocephalic veins, joined by the azygos vein; obstruction causes SVC syndrome, treated by stenting.