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Kerley lines

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Kerley B Lines

History: 60 year old male with lower extremity edema and shortness of breath.  This is an excellent example of Kerley B lines. These lines are created by interlobular septal thickening, typically created by fluid collecting within the pulmonary interstitium. Classically Kerley B lines are seen with cardiogenic pulmonary edema, where left ventricular failure causes increased … Continue reading