1. Anatomy of Total Anomalous Pulmonary Venous Connection
Michael H. Hines, John W. Hammon 
Operative Techniques in Thoracic and Cardiovascular Surgery 
Volume 6, Issue 1, Pages 2-7 (February 2001)
DOI: /otct
Copyright © 2001 Elsevier Inc. Terms and Conditions

2. 1
Formation of the pulmonary vein confluence (A) and the common pulmonary vein (B), and normal fusion with the left atrium.
Operative Techniques in Thoracic and Cardiovascular Surgery 2001 6, 2-7DOI: ( /otct )
Copyright © 2001 Elsevier Inc. Terms and Conditions

3. 2
Examples of the most common forms of TAPVC: (A) type I (supracardiac) with drainage into the left cardinal vein, into the left innominate vein; (B) type II (cardiac) with drainage into the coronary sinus; (C) type III (infracardiac) with drainage into the ductus venosus, into the liver; (D) type IV (mixed) here showing right supracardiac connection into the superior vena cava and left infracardiac connection into the liver.
Operative Techniques in Thoracic and Cardiovascular Surgery 2001 6, 2-7DOI: ( /otct )
Copyright © 2001 Elsevier Inc. Terms and Conditions

4. 3
Chest radiograph of a child with unobstructed type I (supracardiac) TAPVR, showing the prominent left upper mediastinal shadow from a dilated left vertical (cardinal) vein.
Operative Techniques in Thoracic and Cardiovascular Surgery 2001 6, 2-7DOI: ( /otct )
Copyright © 2001 Elsevier Inc. Terms and Conditions

5. 4
Angiography of a child with type IV TAPVC. Contrast demonstrates that the right pulmonary veins connect to the right superior vena cava [(A) anteroposterior projection; (B) lateral projection], and the left pulmonary veins enter the liver below the diaphragm [(C) anteroposterior and (D) lateral].
Operative Techniques in Thoracic and Cardiovascular Surgery 2001 6, 2-7DOI: ( /otct )
Copyright © 2001 Elsevier Inc. Terms and Conditions