The presence of Kerley B lines on a chest X-ray indicates interstitial lung disease or pulmonary edema. This finding can be a crucial diagnostic clue, helping clinicians to:
Septal lines in lung | Radiology Reference Article - Radiopaedia kerley b lines on x ray
| Condition | Common Setting | Additional X-ray Signs | |-----------|----------------|------------------------| | | Heart failure, fluid overload | Cardiomegaly, pleural effusions, perihilar haze, cephalization | | Lymphangitic carcinomatosis | Known cancer (lung, breast, stomach) | Unilateral or asymmetric distribution, hilar adenopathy | | Pneumocystis pneumonia | HIV/AIDS, immunocompromised | Bilateral perihilar or diffuse ground-glass, cysts (later) | | Viral pneumonia | Acute febrile illness | Reticular opacities, normal heart size | The presence of Kerley B lines on a