Right lower lobe collapse
Citation, DOI, disclosures and case data
At the time the case was submitted for publication Frank Gaillard had no recorded disclosures.
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Shortness of breath
Patient Data
Chest x-ray demonstrates complete collapse of the right lower lobe, with obliteration of the silhouette of the right hemidiaphragm on both PA and lateral projections. There is shift of the mediastinum and trachea to the right, and elevation of the hemithorax.
4 case questions available
Q: What are the findings on lateral projection? show answer
A: On lateral projection the right hemidiaphragmatic outline is lost posteriorly and the lower thoracic ribs appear denser than normal (they are usually more radiolucent than the upper vertebrae).
Q: What is the abnormality? show answer
A: Right lower lobe collapse.
Q: Is the film well centered? How do you assess this? show answer
A: Yes. Look at the spinous processes. They should be equidistant from the pedicles, the medial ends of the clavicles and the anterior ends of the ribs.
Q: What is the likely underlying cause? show answer
A: Primary bronchogenic carcinoma is the diagnosis which needs to be excluded. There does appear to be stenosis of the right lower lobe bronchus, further suggesting that this is the likely cause.
The collapsed right lower lobe (orange arrows) result in a triangular opacity in the posterior medial part of the right hemithorax. The right hemidiaphragmatic outline is lost (blue dashed line).
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