Lungs at SLE 4.33/5 (3)

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Pleuritis can occur at SLE

Pleurisy is the most common lung disease at SLE. Illustration: BruceBlaus / CC BY SA 4.0

The sum of all types of lung manifestations at SLE is described in up to 60%. Most people have little symptoms and do not need special treatment

  • Pleurisy is most common
    • Symptoms are pain-dependent pain, most often with other signs of disease activity
    • Blood tests may show elevated CRP (which is not common in SLE) and increased blood pressure response
    • immune complex-nedslag, transsudat
  • Lung infections (bacterial pneumonia) occur more frequently than in the general population
  • Interstitial Lung Disease (ILD) is rare
    • Pneumonitis (inflammation, not infection) approx. 1-4% (abrupt onset, often in case of illness).
    • Differential diagnosis: pulmonary haemorrhage (please see below)


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