KERLEY LINES

KERKEY LINES

496. All are true regarding Kerley B lines except

a.  1 cm or less in length
b. found predominantly in the mid  zones
c.peripheral location  and parallel to each other but
d.at right angles to the pleural surface
e. as a result of fluid accumulation in interlobular septa
496.----b            


www.radiologyassistant.nl900 × 512Search by image

www.ole.bris.ac.uk841

        
Kerley B lines are shorter (1 cm or less) interlobular septal lines, found predominantly in the lower zones peripherally, and parallel to each other but at right angles to the pleural surface. ( CHAPTER 26 – Pulmonary Circulation and Pulmonary Thromboembolism,Adam: Grainger & Allison's Diagnostic Radiology, 5th ed)


497. All are true regarding Kerley A lines except
a. approximately 4 cm in length
b.most conspicuous in the upper and mid portions of the lung.
c.deep septal lines (lymphatic channels) that radiate from the hila into the central portions of the lungs
d. do not reach the pleura.
e. normally indicates a less acute or less degree of oedema.
497.----e
Presence of Kerley A normally indicates a more acute or severe degree of oedema. ( CHAPTER 26 – Pulmonary Circulation and Pulmonary Thromboembolism,Adam: Grainger & Allison's Diagnostic Radiology, 5th ed)