Question 180 · LEK · Interstitial lung diseases

„Pulmonary interstitium, as well as alveoli are infiltrated by neutrophils, monocytes and lymphocytes. Proliferation occurs locally. Inflammatory lesions disappear and are replaced by collagen, intracellular matrix, fibrosis. The sign of this on CT is described as ‘honeycombing’”. This is a description of:

  1. A. primary pulmonary tuberculosis.
  2. B. idiopathic pulmonary fibrosis.
  3. C. caseous pneumonia.
  4. D. sarcoidosis.
  5. E. atypical pneumonia.
Hint

Honeycombing on CT reflects end-stage interstitial fibrosis; which chronic progressive lung disease is typified by it?

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