Table 2 Specific pulmonary vein drainage routes of 18 cases with confirmed fetal TAPVC.

From: Utility of a modified vascular corrosion casting technique in the diagnosis of fetal total anomalous pulmonary venous connection

Type of TAPVC

Drainage route of PV

Number

Supracardiac type

PV → VV → RSVC

3

PV → VV → LSVC

3

PV → VV → LBV → RSVC

2

Infracardiac type

PV → VV → portal vein

2

PV → VV → IVC

2

Cardiac type

PV → RA

4

PV → CS → RA

2

Mixed type

LSPV → VV → LBV → RSVC/LIPV,RSPV → CS → RA

1

LIPV → LA/LSPV,RPV → VV → LSVC

1

  1. PV pulmonary vein, VV vertical vein, RSVC right superior vena cava, LSVC left superior vena cava, LBV Left brachiocephalic vein, IVC Inferior vena cava, RA right atrium, CS coronary sinus, LSPV left superior pulmonary vein, LIPV left inferior pulmonary vein, LA left atrium, RPV right pulmonary vein.
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