Mass below diaphragm

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Mass below diaphragm

  • A systematic review of this X-ray shows a nodule (small mass) in the right lower zone, obscured by the soft tissues of the upper abdomen
  • Don’t forget that the lung passes below the level of the dome-shaped diaphragm

Mass below diaphragm (detail)

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Mass below diaphragm (detail)

  • A closer look at the area shows it is a spiculated and cavitating lesion
  • The dotted line indicates the level of the CT image - see below
  • This case demonstrates the importance of a systematic approach to viewing chest X-rays - read the 'Chest X-ray Systematic Approach' tutorial

Mass below diaphragm

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Mass below diaphragm

  • The CT shows the nodule behind the dome of the diaphragm
  • It has a spiculated edge, it contains a cavity, and it makes contact with the pleural surface