Intentional Engagement
1. Findings
CXR Frontal and Lateral View
Left Upper Lobe Atelectasis55-year-old female with central squamous cell carcinoma of the lung with left upper lobe collapse and hyperinflation of the left lower lobe resulting in a Luftsichel sign. The major fissure is displaced superiorly and anteriorly (pink arrowheads in magnified images b and d)
The hyperinflated left lower lobe is hyperexpanded and fills the apical space resulting in the hyperlucency in the apex (teal asterisk b and d).Ashley Davidoff MD TheCommonVein.net 152Lu 136636c
Left Upper Lobe Atelectasis55-year-old female with central squamous cell carcinoma of the lung with left upper lobe collapse and hyperinflation of the left lower lobe resulting in a Luftsichel sign. The major fissure is displaced superiorly and anteriorly (pink arrowheads in magnified images b and d)
The hyperinflated left lower lobe is hyperexpanded and fills the apical space resulting in the hyperlucency in the apex (teal asterisk b and d).Ashley Davidoff MD TheCommonVein.net 152Lu 136636c