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| Version | User | Scope of changes |
|---|---|---|
| Sep 3 2011, 2:34 AM EDT (current) | M.J.Fuller | 6 words deleted |
| Mar 8 2010, 11:59 PM EST | M.J.Fuller | 53 words added, 1 word deleted |
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Preamble
This is the answer page to Case 7 from the page titled What is the Value of the Lateral Chest Projection?
Other Relevant Wikiradiography Pages
- What is the Value of the Lateral Chest Projection?
- Patterns of Consolidation
- Patterns of RML consolidation
- Lung Anatomy
PA Erect Chest
This 76 year old male presented to the Emergency Department with chest pain
The right heart border is not clearly demonstrated.
There is eventration of the right hemidiapharagmThere is bilateral apical pleural thickening
Lateral Chest
There is evidence of pectus exavatum which is a normal variant and known cause of apparent loss of the right heart border.
Pectus excavatum refers to the depression of the sternum inferiorly (arrowed)
? small bilateral pleural effusions
Discussion
The lateral chest revealed the patient's pectus excavatum deformity which explained the apparent loss of the right heart border. This appearance can be mistaken for a silhouette sign indicating RML disease.
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