Pulmonary fibrosis

Last revised by Mohammadtaghi Niknejad on 13 Jun 2022

Pulmonary or interstitial fibrosis is a descriptive term given when there is an excess of fibrotic tissue in the lung. It can occur in a wide range of clinical settings and can be precipitated by a multitude of causes.

The term should not be confused with idiopathic pulmonary fibrosis, which is a progressive fibrotic lung disease.

Fibrosis in the lung is a process that occurs in the interstitium. Pulmonary fibrosis can be localized, segmental, lobar, or affect the entirety of the lung(s). Among the many conditions associated with pulmonary fibrosis are:

There are many features that can imply underlying pulmonary fibrosis,  these include:

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Cases and figures

  • Case 1
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  • Case 2
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  • Case 3: pulmonary fibrosis - early
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  • Case 4: pulmonary fibrosis - severe
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  • Case 5: end-stage sarcoidosis
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  • Case 6: moderate
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  • Case 7: UIP pattern
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  • Case 8: early stage
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