Kerley's B Lines Page

Septal lines, or Kerley lines, are seen when the interlobular septa in the pulmonary interstitium become prominent. It may be beca... Radiopaedia Kerley Lines - an overview | ScienceDirect Topics Kerley Lines. ... Kerley lines refer to linear patterns observed in chest radiographs that indicate thickening of interlobular sep... ScienceDirect.com Show all Feature Kerley A Lines Kerley B Lines Kerley C Lines Length Long (2–6 cm) Short (1–2 cm) Short and fine Location Central; radiate from hila to upper lobes Peripheral; lung bases Throughout the lungs Appearance Oblique, non-branching Horizontal, perpendicular to pleura Reticular "spider web" or "en face" 4. Differential Diagnosis Although strongly suggestive of CHF, Kerley B lines can be caused by other conditions that thicken the pulmonary interstitium: Wikipedia +1 Cardiac: Mitral stenosis, left ventricular failure. Malignancy: Lymphangitic carcinomatosis (often asymmetrical). Infection: Viral, mycoplasmal, or Pneumocystis pneumonia. Chronic Disease: Sarcoidosis, pneumoconiosis, and interstitial pulmonary fibrosis. Other: Volume overload from IV fluids, renal insufficiency. Radiopaedia +8 5. Diagnostic Nuances Ultrasound (POCUS): Note that "B-lines" on lung ultrasound are different; they are

Short (1–2 cm), thin (

Most frequently found in the lower lung zones, specifically at the costophrenic angles . kerley's b lines

They are perpendicular to the pleural surface and extend all the way to the lung edge. Septal lines, or Kerley lines, are seen when

B lines remain the most clinically useful because they are discrete, easy to name, and hard to fake. The most common cause

The most common cause, where heart failure leads to pulmonary congestion.