Presentation
Dyspnea and cough for a while.
Patient Data
Age: 50 years
Gender: Female
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Bilateral diffuse geographic distribution of ground glass opacity alternating with normal lung parenchyma and areas of air-trapping, giving rise to the three-density sign.
From the case:
Non-fibrotic hypersensitivity pneumonitis
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Three density sign consisting of air-trapping and geographic ground glass opacity alternating with normal lung parenchyma.
Case Discussion
This patient was treated as bronchial asthma until the CT scan which is typical of non-fibrotic HP.
She subsequently mentioned that they keep birds as pets in the house. After removing them and taking glucocorticoid she recovered.
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