Fibrotic hypersensitivity pneumonitis

Last revised by Dr Yuranga Weerakkody on 21 Mar 2022

Fibrotic hypersensitivity pneumonitis (fHP) is is a chronic, often progressive fibrosing form of hypersensitivity pneumonitis and is also often categorized at a form of interstitial lung disease. Manifestations previously categorized as chronic hypersensitivity pneumonitis now fall under this category. As with other forms of hypersensitivity pneumonitis it is caused by inhaled antigenic exposures. 

Radiographic features

CT 

The associated lung fibrosis can frequently demonstrate bronchocentricity 5

Some suggest using three descriptors such a typical, compatible with or indeterminate 3

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Cases and figures

  • Case 1
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