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Doctor insights on: What Is The Difference Between Lung Nodule And Lung Fibrosis

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What is the difference between lung nodule and lung fibrosis?

What is the difference between lung nodule and lung fibrosis?

A big one: Lung nodule usually refers to a spot on the lung that may be tumor, infection, or scar tissue among others. Lung fibrosis is diffuse scarring of the lungs usually due to occupational or other exposures, infections or idiopathic - of unknown cause. Work up and treatment are completely different. ...Read more

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Lung (Definition)

Deoxygenated blood enters the lungs from the right side of the heart and travels to the lungs. When you inspire, oxygen flows into the lungs, transverses the capilliares and attaches to hemoglobin down a gradient. At the same time, co2 diffuses into the capilaries and is expelled with exhalation. Oxygen rich blood then flows to the left side of the heart and into the ...Read more


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What is the difference between lung nodule on pleural surface vs subpleural?

What is the difference between lung nodule on pleural surface vs subpleural?

Pleural/subpleural: A pleura is a serous membrane which folds back onto itself to form a two-layered membrane structure.The thin space between the two pleural layers is known as the pleural cavity and normally contains a small amount of pleural fluid. The outer pleura (parietal pleura) is attached to the chest wall. The inner pleura (visceral pleura) covers the lungs and adjoining structures.The subpleura is below it ...Read more

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Can there be a difference in a CT and pet scan of 1mm in the results of a lung nodule?

Can there be a difference in a CT and pet scan of 1mm in the results of a lung nodule?

Yes: There are differences in techniques between the ct scan with a pet scan and a general ct scan. Additionally, radiologists may measure a nodule slightly differently. Please look at a ruler and realize just how small 1 mm is. Radiologists routinely are measuring things less than 1 cm or about 3/8 of an inch. ...Read more

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Does mild lung fibrosis get worse gradually ?

Does mild lung fibrosis get worse gradually ?

Usually: Usually the fibrosis gets worse (unless it was from a scar due to a previous infection) but it would also be dependent on the cause for the fibrosis. Talk to your doctor about it. ...Read more

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Pulmonary pressure of 27 at the age of 28 I am scared. am I going to die of lung fibrosis? Doctor concerned and repeating in a year

Pulmonary pressure of 27 at the age of 28 I am scared. am I going to die of lung fibrosis? Doctor concerned and repeating in a year

Normal: Pulmonary pressure of 27 mmHg in a 28 yo otherwise healthy woman is NORMAL and requires no further follow up. If you are still worried, look for a third opinion (since this one is the second) ...Read more

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My father is 61 years old and is diagnosed with pulmonary lung fibrosis. What is the ideal diet for such condition?

My father is 61 years old and is diagnosed with pulmonary lung fibrosis. What is the ideal diet for such condition?

Healthy weight: With pulmonary fibrosis the lungs are stiff which means it is hard to get them moving. So the key as far as diet goes is to minimize the amound of weight that he has to move with his chest. ...Read more

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High scl70, joint pain, fatigue,palmar erythema,telangiectasias,lung fibrosis,livedo reticularis,no hard skin! Can it be Scleroderma if no hard skin?

High scl70, joint pain, fatigue,palmar erythema,telangiectasias,lung fibrosis,livedo reticularis,no hard skin! Can it be Scleroderma if no hard skin?

Rheumatologist: The answer would be yes. These symptoms and signs are consistent with an autoimmune/connective tissue disorder. A rheumatologist is best qualified to evaluate and treat you after ordering appropriate tests. ...Read more

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Will a lung nodule have grown since august 7 until today surgeon a said it will have surgeon b said no.It hadnt grown since may?

Will a lung nodule have grown since august 7 until today surgeon a said it will have surgeon b said no.It hadnt grown since may?

See below: Blondie, you are going crazy with this! my suggestion, out of my experience, is that you have to find one doctor that you like and trust and go exclusively by what he/she advises you. Seeking multiple opinions is only going to confuse you to no end, and you will not get a medical education out of healthtap. Again, good luck, and get the thing out to achieve some piece of mind! ...Read more

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In 72'-74', I was on a U.S Navy ship, which was full of asbestos. In 05', I was diagnosed with that left lung nodule. May this have caused my nodule?

In 72'-74', I was on a U.S Navy ship, which was full of asbestos. In 05', I was diagnosed with that left lung nodule. May this have caused my nodule?

You're still alive: If the nodule was found ten years ago, and you had no illness as a result, then this is not cancer. If it were cancer, you might have a pretty good case. I'm glad it's not. Asbestosis itself presents as diffuse thickening of the lung texture, or of the pleural surfaces. Most lung nodules in non-smokers (hope that's you) are old histoplasmosis, which is harmless. Thanks for your service. ...Read more

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Back in 1972-74, I was on a U.S Navy shift aircraft carrier, which was full of asbestos. In 2005, I was diagnosed with that left lung nodule, which was removed in 2008. In your personal opinion, do you think that may have caused my lung nodule? If so, ple

Back in 1972-74, I was on a U.S Navy shift aircraft carrier, which was full of asbestos. In 2005, I was diagnosed with that left lung nodule, which was removed in 2008. In your personal opinion, do you think that may have caused my lung nodule? If so, ple

Many types of tumor: If a lung lesion was noted as solitary and no previous history of underlying disease with bx of mesothelioma then Asbestos has been associated with such lung lesions. Squamous Ca usually derived from smoking and adenoCa from a viral source. At this time worth while to get PET/CAT to assure all path absent from lung or metastatic foci. ...Read more

Dr. Loki Skylizard
289 doctors shared insights

Lung Nodule (Definition)

A lung nodule is a symptom in which a person has a chest x-ray or CT scan that shows a small lump (nodule) in a lung. A lung nodule can be cancerous or non-cancerous. If cancerous, it can be a lung cancer or can be a metastatic cancer that spread from another ...Read more


Nodule (Definition)

Any growth or deposit in the body or on its surface may be casually termed a nodule until its character is determined by the familiarity of the physician with it or by the results of a biopsy if it is not so obvious. The term is casual ...Read more