Septal Lines On Chest X Ray |top| Jun 2026

The appearance of these lines usually indicates an underlying pathology:

: These are short, fine lines that create a spider-web or reticular pattern at the lung bases. They are often considered the "en face" view of other septal lines, meaning they are seen head-on rather than from the side. Clinical Significance and Causes septal lines on chest x ray

: Longer (2–6 cm), diagonal lines that radiate from the hilum (center) toward the upper lobes. According to research on ResearchGate , these represent thickened septal plates between lung segments. The appearance of these lines usually indicates an