Skinfold vs Pneumothorax

"Absence of lung markings is not sufficient to make diagnosis of pneumothorax as lung may fold on itself"!

Click here* to have very informative slide presentation on recognising pneumothorax on CXR (from learningradiology.com)



*link: http://www.learningradiology.com/medstudents/recognizingseries/pneumothoraxflashpage.htm