We report a case of a large saccular idiopathic aneurysm of the azygos vein which was discovered totally thrombosed at operation. To our knowledge, such a case of thrombosis occurring in this exceptional aneurysm location has never been previously reported.

Background: This study aimed to classify Azygos vein patterns in the Eastern Indian population. Methods: During routine dissection of MBBS 2018–2020 academic year, 20 formalin embalmed cadavers aged 50–70 were used azygos system. The cadaver’s age was verified by its entry into our institute’s anatomy register. register confirmed that all for origin. Though gender not compared this study, it no...

A 56-year-old male patient was admitted for catheter ablation of highly symptomatic paroxysmal atrial fibrillation. During the procedure, a rare anatomic variation with an interrupted inferior caval vein (ICV) branching suprarenal into an azygos venous continuation draining into the superior caval vein was detected. Using angiography, a continuation of the ICV leading into the liver, subdividin...

To cite: Ganju N, Kandoria A, Mahajan K, et al. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/bcr-2016214448 DESCRIPTION Infrahepatic inferior vena cava (IVC) interruption with azygos continuation is a rare congenital anomaly with a prevalence of 0.6–2.0% in patients with congenital heart disease. Many of these patients are expected to undergo cardiac catheterisatio...