Kerley lines

Kerley lines

Kerley lines


Short parallel lines at the lung periphery usually


[A] Kerley A lines
[B] Kerley B lines
[C] Kerley C lines
[D] Not Kerley lines



Kerley lines

Kerley lines


  1. Kerley A lines – longer (at least 2cm and up to 6cm) unbranching lines coursing diagonally from the hila out to the periphery of the lungs.
  2. Kerley B lines – short parallel lines at the lung periphery
  3. Kerley C lines – least commonly seen of the Kerley lines. They are short, fine lines throughout the lungs



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