Kerley C Line -
| Feature | Kerley A Lines | Kerley B Lines | Kerley C Lines | | :--- | :--- | :--- | :--- | | | Long (2-6 cm), straight lines | Short (1-2 cm), horizontal lines | Fine, reticular (web-like) lines | | Location | Central/Upper lung zones | Peripheral/Outer lung zones (bases) | Central/Mid lung zones | | Anatomy | Deep lymphatic channels | Subpleural interlobular septa | Central interlobular septa | | Significance | Acute edema / Fibrosis | Subacute edema / Fibrosis | Edema / Malignancy |
A is a radiological sign seen on a chest X-ray. It is one of the three types of septal lines (A, B, and C) described by neurologist Peter Kerley. kerley c line
