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Respiratory Disorders (Expert Forum)
IPF or Sarcoid?
Answered by
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IPF or Sarcoid?
by Lori_B, Jun 08, 2003 12:00AM
My husband was diagnosed with IPF 15 months ago, and I am wondering if they could be wrong about the diagnosis. He had a CT Scan and Bronchoscopy - but not an open lung biopsy. There are a number of reasons I suspect Sarcoid:
At the same time he was diagnosed with IPF he was getting skin rashes that he had never had before. They have since subsided.
His fibrosis has remained stable since he was diagnosed - without any medication at all. (His TLC has improved from 54% to 74%)
Also, on his last CT Scan they it stated: Diffuse interstitial fibrotic change is seen scattered throughout both lungs. The changes are predominantly in the lung bases. Small nodular densities in the mediastinum are felt to represent lymph nodes enlarged on a reactive basis. Hilar adenopathy is also seen.
I thought that hilar adenopathy was a hallmark of Sarcoid - not IPF. Am I right to question the diagnosis?
Thanks for any help.
Lori
At the same time he was diagnosed with IPF he was getting skin rashes that he had never had before. They have since subsided.
His fibrosis has remained stable since he was diagnosed - without any medication at all. (His TLC has improved from 54% to 74%)
Also, on his last CT Scan they it stated: Diffuse interstitial fibrotic change is seen scattered throughout both lungs. The changes are predominantly in the lung bases. Small nodular densities in the mediastinum are felt to represent lymph nodes enlarged on a reactive basis. Hilar adenopathy is also seen.
I thought that hilar adenopathy was a hallmark of Sarcoid - not IPF. Am I right to question the diagnosis?
Thanks for any help.
Lori
Doctor's Answer
by National Jewish, Jun 12, 2003 12:00AM
, Jun 12, 2003 12:00AM
Your concerns and questions are legitimate. An experienced radiologist who specializes in the chest can often distinguish between the CT changes of these two diseases. Both of these diseases may remain stable, sometimes for considerable periods of time. So this would not help you to know which might be the problem.
Hilar adenopathy is common with sarcoid and seldom seen with idiopathic pulmonary fibrosis (IPF). Adenopathy is another term for enlarged lymph nodes. In fact, enlargement of the hilar lymph nodes is the most common finding when sarcoid affects the lungs. The lung hilar is the area at the center of the lungs near the heart.
If the changes on the chest CT scan cleared quickly, especially after taking steroids, this would favor sarcoid. Sarcoid is relatively easy to diagnose by endobronchial or transbronchial biopsy. Your husband may have had this done when he had the bronchoscopy. With the bronchoscope tiny pieces of lung tissue can be taken for further testing. An open lung biopsy is not always needed.
You should raise your questions with your husband's doctor. Also attempt to ascertain the degree of certainty with which the diagnosis of IPF has been made. Please read our Interstitial Lung Disease MedFact at http://www.nationaljewish.org/medfacts/interstitial.html and our Sarcoidosis MedFact at http://www.nationaljewish.org/medfacts/sarcoid.html for more information on each of these diseases.
Hilar adenopathy is common with sarcoid and seldom seen with idiopathic pulmonary fibrosis (IPF). Adenopathy is another term for enlarged lymph nodes. In fact, enlargement of the hilar lymph nodes is the most common finding when sarcoid affects the lungs. The lung hilar is the area at the center of the lungs near the heart.
If the changes on the chest CT scan cleared quickly, especially after taking steroids, this would favor sarcoid. Sarcoid is relatively easy to diagnose by endobronchial or transbronchial biopsy. Your husband may have had this done when he had the bronchoscopy. With the bronchoscope tiny pieces of lung tissue can be taken for further testing. An open lung biopsy is not always needed.
You should raise your questions with your husband's doctor. Also attempt to ascertain the degree of certainty with which the diagnosis of IPF has been made. Please read our Interstitial Lung Disease MedFact at http://www.nationaljewish.org/medfacts/interstitial.html and our Sarcoidosis MedFact at http://www.nationaljewish.org/medfacts/sarcoid.html for more information on each of these diseases.
