Fig. 45.1 Chest x-ray (AP view)
Name some causes for the changes seen in the image?
What’s the most valuable x-ray finding used to help differentiate the etiology of this finding?
What is the differential diagnosis of this finding when there is no tracheal deviation or mediastinal shift on chest x-ray?
What is the differential diagnosis when there is mediastinal shift away from the opacity?
What is the differential diagnosis when there is mediastinal shift toward the opacity?
The most common causes of unilateral lung whiteout on chest radiograph (Fig. 45.1) are pneumonia, pleural effusion (including hemothorax), and collapse/atelectasis. The ability to differentiate between collapse and pleural effusion is essential because they require distinct treatments, which, if applied erroneously, could harm the patient .
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