Septal Lines On Chest X Ray Jun 2026

"Lung fields: There are bilateral Kerley B lines, suggestive of interstitial edema. The lungs are otherwise clear.

Septal lines in lung | Radiology Reference Article - Radiopaedia septal lines on chest x ray

(also known as Kerley lines ) on a chest x-ray are thin, linear opacities caused by thickening of the interlobular septa (the connective tissue partitions between the secondary pulmonary lobules). They indicate interstitial edema or other processes affecting the interstitium. "Lung fields: There are bilateral Kerley B lines,

: The most common type. They are short (1–2 cm), thin ( thin ( : Fine

: Fine, reticular (spiderweb-like) lines that are neither central nor peripheral. They are often considered a superposition of many B lines viewed from the front. Common Causes

The appearance of these lines usually indicates an underlying pathology: