All are features of Kerley A lines except?: (A) Prominent Interlobular Septa, (B) Due to lymphatic engorgement and edema of septa, (C) Located at Base of Lungs, (D) Seen In CHF
Answer is C. *Kerley A lines are Perihilar Lines *Kerley B lines are thin horizontal parallel lines perpendicular to pleura at base of Lung. Kerley C lines are neither central nor peripheral. They are 2-3 cm long. They do not radiate away from the hila either.