Reticular shadowing - Fibrosis

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Reticular shadowing - Fibrosis

  • Pulmonary fibrosis causes reticular (net-like) shadowing of the lung peripheries which is typically more prominent towards the lung bases
  • It may cause the contours of the heart to be less distinct or ‘shaggy’
  • Chest X-rays can be helpful in monitoring the progression of pulmonary fibrosis

Fibrosis

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Fibrosis

  • (Same patient as image above – 20 months later)
  • As the disease progresses the fibrosis (lung scarring) becomes more widespread and leads to lung volume loss
  • In the mid-clavicular lines on each side, the diaphragm is positioned above the level of the 4th and 5th ribs on the right and left respectively
  • Compare with the image above which showed normal lung volume