Lung Collapse
Transcript of Lung Collapse
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Lung Collapse
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Left lower lobe collapse
Volume losson left
Trachealdeviation
towards left Sail sign
Silhouettewith left
hemidiaphragm
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Right upper lobe collapse
Volume loss Horizontal
ssurepulled up
Trachealdeviation toright
Reverse Ssign ofGolden
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Reverse S sign of Golden
ass inrighthilumcausingobstruction
Collapse
of rightupperlobe
Reverse S
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Right lower lobe collapse Volume loss
Tracheal deviation
Right heartborder remainsclear !i#e L not
involved" Triangular opacit$
at medial base ofright lung
edial aspect ofdome of righthemidiaphragmlost
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Right middle lobe collapse
%indings ma$ besubtle
Loss of rightheart border
Horizontalssure not seen
&ncreasedopacit$ ad'acent
to right heartborder !re(uirea degree ofconsolidation"
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Right middle lobe collapse
)n lateralpro'ection*right L
collapseappears as atriangularopacit$overl$ingthe cardiacshadow
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Left upper lobe collapse
Volume loss Veil li+e
appearance
Right hilarmass
Luftsichel
sign !aircrescent"
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Luftsichel sign !air crescent" Seen in some left ,L
collapse
&n L ,L collapse*collapsed lungsilhouettes the aortic+nuc+le - aortic outlinehence is lost
&n some cases* there iscompensator$h$perin.ation of theapical segment of theleft LL
&nterposed betweenaortic arch and
collapsed L ,L /isplacing collapsed left
upper lobe laterall$from mediastinum
0roducing an aircrescent sign