Table 3.
Anatomic structure of Kerley A-lines on CT
| N = 25 | % | |
|---|---|---|
| Thickened septal line | 19 | 76 |
| Segment | 5 | 20 |
| Subsegment | 9 | 36 |
| Undersubsegment | 5 | 20 |
| Non-septal line | 6 | 24 |
| Fissure | 2 | 8 |
| Bronchial wall or artery | 3 | 12 |
| Vein | 1 | 4 |
CT computed tomography
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