Kerley B Lines On Chest X Ray ✧

Kerley B lines represent thickened, fluid-engorged interlobular septa. They are short, parallel, horizontal lines. They run perpendicular to the pleural surface. Key Characteristics 1 to 2 cm long. Thickness: Less than 1 mm wide. Location: Lung bases. Orientation: Perpendicular to the pleura. Position: Peripheral lung fields. Pathophysiology

Lines appear when pulmonary capillary wedge pressure exceeds 15-20 mmHg. 2. Mitral Valve Stenosis Chronic narrowing restricts left atrial emptying. Creates chronic pulmonary venous hypertension. Often presents with a magnified left atrial shadow. 3. Lymphangitic Carcinomatosis Tumor cells infiltrate pulmonary lymphatics. Common in breast, lung, and stomach cancers. Lines are typically irregular and asymmetric. 4. Interstitial Lung Diseases kerley b lines on chest x ray

Kerley B lines are specific radiographic landmarks seen on chest radiographs. They represent —the connective tissue walls that surround the secondary pulmonary lobules. Key Characteristics 1 to 2 cm long

Kerley B lines.