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Hiliar lymphadenopathy
a cat scan of my lungs showed the above disease.  will see a pulm dr next week.  can someone please explain what type of disease this is.
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Hi, the hilar nodes being enlarged for more than four weeks can be from three major and totally different types of diseases; chronic infection(TB), immunological(Sarcoidosis), and cancer(Lymphoma). Many different diseases in each type across the whole spectrum, so the only way to narrow it down is through testing(usually histological)combined with clinical presentation(symptoms). Usually the definitive answer comes from testing a biopsied sample of the lymph nodes or if they aren't easily accessible doing a Bronchoscopy with BAL and taking a sample of lung tissue. The hilar and mediastinal nodes are usually directly accessed by doing a Mediastinoscopy. You should also test negative for TB and HIV.

http://en.wikipedia.org/wiki/Mediastinoscopy

http://en.wikipedia.org/wiki/Bronchoscopy

http://en.wikipedia.org/wiki/Bronchoalveolar_lavage

Don't start thinking you have these diseases but just to educate yourself here's some reading on diseases in preparation for your pulm visit. Take care.

http://en.wikipedia.org/wiki/Histoplasmosis  (pretty unlikely unless been around bird poop in the tropics)

http://en.wikipedia.org/wiki/Tuberculosis  (fairly rare in the US unless went to Mexico or the East)

http://en.wikipedia.org/wiki/Sarcoidosis  (probably most likely it has a second peek in 50+yr old women)

http://en.wikipedia.org/wiki/Lymphoma  (most treatable cancer there is in early stages)

Also get a good understanding what a granuloma is and the different diseases associated with it:

http://en.wikipedia.org/wiki/Granuloma

Also knowing what Angiotensin Converting Enzyme(ACE) is might be somewhat helpful but it's not real specific either but it's a somewhat reliable marker for Sarcoidosis:

http://en.wikipedia.org/wiki/Angiotensin_Converting_Enzyme

http://www.labtestsonline.org/understanding/analytes/ace/test.html
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