Kerley lines


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Kerley lines

Imaging Vague horizontal lines on AP chest CXRs, typical of mitral stenosis. See Mitral stenosis.

Kerley lines

(kĕr′lē)
[P. J. Kerley, Brit. radiologist, b. 1900]
Lines present on chest radiographs of patients with any disease that causes thickening or infiltration of the interlobular septa. Those in the costophrenic angle area are called Kerley B lines, and those extending peripherally from the hilum are termed Kerley A lines. Kerley C lines are fine lines in the middle of pulmonary tissue.