The use of diagnostic venography for deep venous thrombosis has declined because of
the use of duplex ultrasonography. However, endovascular therapy to treat acute deep
venous thrombosis, venous stenosis, and venous occlusion has become increasingly more
common. Knowledge of the normal anatomy and congenital anomalies of the venous system
is important because it may have an impact on patient management and treatment options.
Venous system - embryology - anatomy - congenital anomalies