Kerley lines in the exam

Getting a film with Kerley lines in the exam is one of the many exam set-pieces that can be prepared for.

The film goes up and after a couple of seconds pause, you need to start talking:

There are bilateral basal interstitial lines that extend to the pleural surface - these are Kerley B lines. There is slight asymmetry of the breast shadows and metallic clips in the right axilla.  Features are consistent with previous breast carcinoma and lymphangitis carcinomatosis.

I would compare this with previous films and confirm the presumed diagnosis of treated breast carcinoma. The bone appears normal and there is no evidence of a pericardial effusion (both of which may occur with metastatic breast carcinoma). 

While there are many causes of septal lines, consider a shorter differential in the examination:

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rID: 16854
System: Chest
Synonyms or Alternate Spellings:

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