X-ray Quiz

X-ray Quiz


What is the radiological sign demonstrated in the image?

Hint: The region focussed is the right cardiophrenic angle on a Chest X-ray PA View in a person with a valvular heart disease.

["Click here for the answer with explanation", "Correct Answer:"]

They are Kerley B lines, classically seen in mitral stenosis.

Kerley B lines are horizontal lines seen mostly near the costophrenic angles. These lines are due to the interlobular septa.

Kerley A lines are linear opacities radiating from the hila to the periphery, thought to be distended lymphatic channels.

Kerley C lines are reticular pattern of opacities in the basal regions, possibly representing end on views of Kerley B lines.


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