Introduction
Patients and methods
Reconstruction of 3DCT images
Patient preparation and examination
Definitions of the pulmonary and segmental veins
Results
Branching of the pulmonary vein
Pulmonary vein type | Central and Anterior vein pattern | Anatomical classification | Type |
N
| % | Fig. no |
---|---|---|---|---|---|---|
Iab type (Anterior with Central type), n = 184 (54 %) | V2a, V2b, V2c | Independent type | A | 132 | 72 | |
V2a, V2b + V2c | V2b and V2c common trunk type | B | 13 | 7 | Figure 2c | |
V2a, V2c, V2t + V2b | V2t and V2b common trunk type | C | 28 | 15 | Figure 2d | |
Aberrant V2
| Other | Minor | 5 | 3 | e-Figure 1a | |
No V2a | 3 | 2 | e-Figure 1b | |||
V2a from V2t | 3 | 2 | e-Figure 1c | |||
Ib type (Anterior with Central type), n = 89 (26 %) | V2a, (V2b, VX1a or VX1a, V2b), V2c | Independent type | A | 67 | 75 | |
V2a, VX1a, V2b + V2c | V2b and V2c common trunk type | B | 7 | 8 | Figure 3c | |
V2a, VX1a, V2c, V2t + V2b | V2t and V2b common trunk type | C | 8 | 9 | Figure 3d | |
Aberrant V2
| Other | Minor | 2 | 2 | ||
V2a from V2t | 3 | 3 | ||||
V2c from V2t | 2 | 2 | ||||
Central type, n = 23 (7 %) | V2a, (VX1a, V2b, VX1b)a, V2c | Independent type | A1 | 14 | 61 | |
V2a, (V2b, VX1a or VX1a, V2b), V2c, VX1b | A2 | 2 | 9 | Figure 4c | ||
V2a, VX1a, VX1b, V2b + V2c | V2b and V2c common trunk type | B | 3 | 13 | Figure 4d | |
V2b from V2t | V2t and V2b common trunk type | C | 2 | 9 | Figure 4e | |
V2a from V2t | Other | Minor | 2 | 9 | ||
Anterior type, n = 42 (12 %) | VX2a, V2t + V2b + V2c | V2t and V2c common trunk type | D1 | 13 | 31 | |
VX2a + VX2b, V2t + V2c | D2 | 6 | 14 | Figure 5c | ||
VXX2a, V2t + V2b + V2c | D3 | 12 | 29 | Figure 5d | ||
VX2a + VX2b + VX2c, V2t | VX2a, VX2b and VX2c common trunk type | E | 10 | 24 | Figure 5e | |
VXX2a, VX2b, VX2c, V2t | Other | Minor | 1 | 2 |