Kerley B lines are seen in
Kerley A lines are 1-2mm non- branching lines radiating from the hilum, 2-6 cm long. They represent thickened deep interlobular septa. Kerley B lines are transverse non- branching 1-2 mm lines at the lung bases perpendicular to the pleura 1-3cm long. They represent thickened interlobular septa.
Pulmonary edema
Congenital hea disease
Sarcoidosis
All of the above
Respiratory Radiology