Kerley B Lines Jun 2026

A Beeline Through Sir Peter James Kerley's Life - AJR Online

While Kerley B lines were defined on plain film X-ray, High-Resolution Computed Tomography (HRCT) has revolutionized their visualization. kerley b lines

In a healthy lung, the interlobular septa—the thin connective tissue planes that separate the lung's secondary lobules—are too thin to be seen on a standard X-ray. When fluid, cells, or fibrous tissue accumulate in these spaces, the septa thicken and become visible as distinct opacities. A Beeline Through Sir Peter James Kerley's Life

are a classic radiological sign typically identified on chest X-rays and CT scans, representing the thickening of the interlobular septa in the lungs. Named after the eminent Irish radiologist Sir Peter James Kerley, who first described them in 1933, these lines serve as a critical diagnostic indicator for various pulmonary and cardiovascular conditions, most notably congestive heart failure (CHF). What Are Kerley B Lines? are a classic radiological sign typically identified on

They extend perpendicularly to the pleural surface and maintain contact with the lung's edge. Causes and Pathophysiology


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