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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What is the difference between IPF and hypersensitivity pneumonitis

Hello...

My mom is suffering from Hypersensitivity pneumonitis, she was diagnosed with this disease 5 years back and got complete recovery however recently she started getting same symptoms and the CT is more severe than before...her pulmonologist has put her on prednisone and asked us to wait for 2-3 months to see how much she recovers. He hasn't asked for any other test except WBC count check.

I am very much worried and wants to know the severity this time, Since her lower lungs show some honey combing (slight) + some amount of intralobular nodules and septal thickening, i am more worried. Though after studying many cases i have found that such CT images are present in HP patient. I just want to know what is the difference between Idiopathic pulmonary fibrosis and hypersensitivity pneumonitis. What kind of pathological tests determines the difference?
Mon, 30 Oct 2017
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Pulmonologist 's  Response
thank u writing me,
HP is other variety of ILDs and IPF is other. both are progressive disease,
IPF is has no cause HP may has cause , IPF prognosis 3-5 yrs survival but HP has longer survival, CT chest is very good investigation for diagnose them but LUNG BIOPSY is main stay of diagnosing actual disease and can make difference
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What is the difference between IPF and hypersensitivity pneumonitis

thank u writing me, HP is other variety of ILDs and IPF is other. both are progressive disease, IPF is has no cause HP may has cause , IPF prognosis 3-5 yrs survival but HP has longer survival, CT chest is very good investigation for diagnose them but LUNG BIOPSY is main stay of diagnosing actual disease and can make difference