Hilum overlay and loss of more black signs: colorectal carcinoma metastases

Case contributed by Dr Henry Knipe

Presentation

Cough.

Patient Data

Age: 62
Gender: Male

Three pulmonary opacities are visible:

  • left mid zone
  • right lower zone, projecting over the right hemidiaphragm
  • overlying the right hilum - hilar vessels are visible (hilum overlay sign) indicating this is opacity is either in the anterior or posterior mediastinum

Lateral projection confirms:

  • right hilar opacity seen on the PA projection is in the anterior mediastinum
  • right lower zone opacity presents a loss of more black sign indicating its position in the posterior lung base

Case Discussion

CT (not shown) confirmed these opacities as pulmonary masses, presumed to be colorectal metastases. 

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Case Information

rID: 30183
Case created: 24th Jul 2014
Last edited: 2nd Sep 2015
System: Chest
Inclusion in quiz mode: Included

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