Septal Lines On Chest X Ray Jun 2026

Impression: The presence of septal lines is suggestive of interstitial edema, likely in the context of [insert possible underlying condition]. Further evaluation and clinical correlation are recommended."

Radiologists classify these lines into three main types based on their length, location, and orientation:

The appearance of these lines usually indicates an underlying pathology:

: 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 presence of septal lines is a critical diagnostic marker for several conditions, primarily those affecting the heart or the lymphatic system:

There are three types, but are the most commonly referenced in everyday reading:

(rarely used now)