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Doctor insights on: Do Small Lung Nodules Ever Disappear

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What does negative result mean regarding small lung nodules?

What does negative result mean regarding small lung nodules?

Too little info: What was "negative"? Did they biopsy it? Was it a pet scan, was it negative for serial growth on cxr? Ct scan? Negative is not descriptive enough. Give me more information and i will answer your concerns. Most nodules are not cancer. ...Read more

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 definition or description of: Small lung nodules?

What is the definition or description of: Small lung nodules?

Fleischner Society: Guidelines define a small lung nodule as less than 8mm in diameter ...Read more

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Can small lung nodules be cancerous?

Can small lung nodules be cancerous?

Yes: Cancers do start out as small lesions/nodules. ...Read more

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Are small lung nodules cancer?

Needs biospy: Small nodules can be cancer, but they would need to be biopsied. Many times, the nodules are just scars and not cancer. If you find nodules on a cat scan of your chest, depending on the size, they need to be followed to make sure they don't grow or look ominous enough to warrant a biopsy. What to do about nodules also depends on your risk for lung cancer, i.e., were/are you a smoker, etc. ...Read more

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What is a primary lung cancer that would cause multiple small lung nodules less than 5 mm when found?

What is a primary lung cancer that would cause multiple small lung nodules less than 5 mm when found?

Unusual: Consider some cancer superimposed on histoplasmosis.
Metastatic, military cancer from melanoma, breast can have unusual appearance.
Alveolar cell can be multiple lesions , but not like the description. ...Read more

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Bun 5, basophil auto1.2% , vit d is 24 and multiple small lung nodules could these all be connected and help with a diagnosis.

Bun 5, basophil auto1.2% , vit d is 24 and multiple small lung nodules could these all be connected and help with a diagnosis.

Not likely: Lung nodules require a careful history for prior exposure to agents like tuberculosis, industrial exposures like asbestos or tobacco. Follow-up imaging is needed. If size increases a pet ct and biopsy can be contemplated. ...Read more

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I have RA & on enbrel (etanercept). Have chronic cough & 2 small lung nodules. Concerns?

I have RA & on enbrel (etanercept). Have chronic cough & 2 small lung nodules. Concerns?

See your doctor: The nodules could be anything from scar tissue due to prior infections, rheumatoid nodules. To cancer. You should ask your doctor about these. The cough could be due to rheumatoid lung, copd, infection or a simple allergy or sinus problem. You will need to explore this with your own doctor to get a diagnosis. ...Read more

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Father has multiple small lung nodules. Does not smoke. Had pneumonia several times and scarring from it on lungs 25 yrs ago. Is 70. Risk of cancer?

Father has multiple small lung nodules. Does not smoke. Had pneumonia several times and scarring from it on lungs 25 yrs ago. Is 70. Risk of cancer?

Possible: Histoplasmosis and granulomas more common in midwest.
Comparison with old x-rays or ct is very helpful.
New multiple lesions, and growth of lesions inclines to cancer. ...Read more

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Is a 1.4 lung nodule classed as small?

Is a 1.4 lung nodule classed as small?

1 cm nodule : Any nodule is abnormal. Nodules greater than a centimeter are considered pathological and worrisome. Certain radiological characteristics make some nodules more serious than others. Other tests like pet scans can help in differentiating malignant nodules from benign ones. ...Read more

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Could aspirating a small piece of popcorn cause a lung nodule?

Yes: Inhalation of foreign bodies will initiate an inflammatory response from your immune system which can ultimately culminate in a calcified lung nodule on x-ray. ...Read more

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Can breathing mold cause lung nodules? I have multiple small nodules <9mm.

Can breathing mold cause lung nodules?  I have multiple small nodules <9mm.

It can, however: exposure to mold and lung nodules may not be related. You obviously have seen a doctor to know that you have lung nodules. It would be prudent to consult a pulmonary medicine doctor. ...Read more

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Can a few lung nodule disappear / cannot see in cxr over a year if you undergo treatment or something?

Can a few lung nodule disappear / cannot see in cxr over a year if you undergo treatment or something?

Yes: "lung nodule/s" is a radiographic finding and not a diagnosis. The presence of nodules does not indicate cancer and the vast majority of nodule are in fact benign (not cancer). They can be inflammation, infection, scar, and numerous other possibilities. As such, yes, many nodules to shrink, "resolve", and/or disappear. ...Read more

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What does it mean when a 1cm lung nodule has "small density" , does that point toward Cancer? or Benign?

Small density.: A 1 cm nodule is a small density. Most likely this is benign finding but additional info about appearance and history/ physical exam are important. Are you a smoker? What prompted the X-ray or CT? A 3 month follow-up film is likely needed if this is a new radiological finding. Talk to your doctor. Best wishes. ...Read more

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What could a "Small density 1cm lung nodule "be , seen on chest xray , chances of malignancy ?

What could a "Small density 1cm lung nodule "be , seen on chest xray , chances of malignancy ?

Need more info: smoker? Any other history?
Malignancy always possible but could be scar or benign nodule. Should be followed or biopsy for definitive diagnosis if feasible. ...Read more

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Way are common causes of multiple small non calcified lung nodules in both lungs that has remained same size in 4 months besides cancer?

Histoplasmosis: A common fungus in the midwest and south.
Used to be tuberculosis was common, but that is not anymore.
Cancer tends to grow.

Followup ct is important. ...Read more

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Is a 0.5 CM lung nodule in colon cancer pt regarded a small ? Can it be ablated ?

Is a 0.5 CM lung nodule in colon cancer pt regarded a small ? Can it be ablated ?

Depends on what: the nodule is. If the nodule is a met from colon cancer, then ablating this apparent solitary nodule is not likely to affect the course of the disease. Calling is small or large is not relevant, the nature of the lesions needs to be ascertained. ...Read more

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What is histoplasmosis?Does it affects lungs forming very small nodule, bcz of my lung nodule.Can it be seen in ct, ?

Yes: Yes, it can show as nodules in imagines. Consult your doctor for diagnosis and treatment should it become necessary. ...Read more

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My father died of lung cancer should i worry about my lung nodules they are 6 x 4 mm and 6 x 5 mm and other small ones?

My father died of lung cancer should i worry about my lung nodules they are 6 x 4 mm and 6 x 5 mm and other small ones?

Not if stable: Many, maybe most folks in some communities have these from old histoplasmosis. If they are not growing or they are calcified, they present less danger to you than intervention would. ...Read more

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I was recently told that I have a small 5 mm lung nodule. Discovered by CT scan. I am not a smoker. Never have been. Should i be worried?

I was recently told that I have a small 5 mm lung nodule. Discovered by CT scan. I am not a smoker. Never have been. Should i be worried?

Fleischner criteria: Nodules are common, and tend to scare people. The following link has criteria often followed by radiology groups regarding your findings. Be cautious, but not worried. Best wishes.

http://www.snm.org/docs/pet_coe/off_the_wall/fleis.pdf. ...Read more

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Multiple lung nodules measure 2- 6mm all test have been ran all were negative .1.5cm lymph node axilla are all of them to small for pet scan?

Multiple lung nodules measure 2- 6mm all test have been ran all were negative .1.5cm lymph node axilla are all of them to small for pet scan?

maybe: The lower limit of detection for pet scan is ~1cm. The lung nodules are too small but the axillary lymph node should be large enough for pet scan to detect if there is increased metabolic activity. ...Read more

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On feb 2012 after CT lung scan a 2mm lung nodule was found. Do i need to retest? Can a 2mm lung nodule disappear and if yes how long does it takes?

On feb 2012 after CT lung scan a 2mm lung nodule was found. Do i need to retest? Can a 2mm lung nodule disappear and if yes how long does it takes?

Need a followup: 2mm is really below any diagnostic resolution of ct. In your age, it most likely represents a bening finding, rather than a lung cancer. You should have had a follow up scan 3-6 months to assure either resolution of the nodule or to determine if it got larger. These can easily disappear if inflammatory. ...Read more

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Lung nodule found 11/2013 docs say it begnin & it is to small to biopsy. It had calcification no signs show its Ca but still worried. Severe anxiety?

Lung nodule found 11/2013 docs say it begnin & it is to small to biopsy.  It had calcification no signs show its Ca but still worried. Severe anxiety?

Lung nodule: If your nodule is less than 1cm especially less than 0.5 cm, has a regular border, it's solid and pop-corn like then no reason to worry,
so another thing that your doctor could do if to repeat your imagining at 6-12 months base on your risk factors. Try to relax and repeat a CT scan around Novemebr or so if your nodule was 6-8 mm and you are non-smoker.
If you are smoker repeat it now. ...Read more

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CT for K-stone in July found 6mm nonclassified lung nodule. 2nd K-Stone in Sept and 2nd CT. No mention of nodule. Can they disappear? Do I need 3rd CT

CT for K-stone in July found 6mm nonclassified lung nodule. 2nd K-Stone in Sept and 2nd CT. No mention of nodule. Can they disappear? Do I need 3rd CT

Yes, no: Yes nodules can disappear, butr make sure the radiologist was also reviewing CT for it, he may have been focusing on just the kidneys. With more kidney stones, you may want to check calcium levels and/or parathyroid hormone levels ...Read more

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30 yo female, former light smoker 4-5 yrs. CT scan in 2013 with small lung nodule, but no follow up. Should I be worried? The doctor was unconcerned.

30 yo female, former light smoker 4-5 yrs. CT scan in 2013 with small lung nodule, but no follow up. Should I be worried? The doctor was unconcerned.

Lung Nodules: Depending on the size, there are specific criteria that have been developed called the "Fleicshner criteria" that will determine if any further testing or repeat CT scans need to be done. Discuss in further detail with your Doc to be safe, Best wishes. ...Read more

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Ct scan showed very small lung nodule. I've had 3 chest x-rays prior and nothing showed on them. What happens now? How to determine if it's cancer?

Ct scan showed very small lung nodule. I've had 3 chest x-rays prior and nothing showed on them. What happens now? How to determine if it's cancer?

Depends: If the nodule is very small, it would not be seen in a plain x-ray so the fact you had 3 prior negative ones does not mean much. You may have had it undetected for years. Depending on how big it is and your clinical situation, your doc may opt to follow up with another ct scan in 6-12 months, do a pet scan, or proceed with a biopsy. Good luck and if you are a smoker, quit today. ...Read more

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My post BD test showed small airway obstruction. My dr Rx Advair & treat it asthma. Only symptom is 6-month-long chronic dry cough. Could this be related to lung nodules previously found on CT instead of asthma?

My post BD test showed small airway obstruction. My dr Rx Advair & treat it asthma. Only symptom is 6-month-long chronic dry cough. Could this be related to lung nodules previously found on CT instead of asthma?

Mgt.: It would be helpful to know the actual percent predicted values on the PFTs report, but from your description you did improve with the bronchodilator. Your physician has prescribed a long acting bronchodilator and anti inflammatory agent. The CT finding of nodules, may be related to a number of conditions, but it would be less usual for asthma. A chest radiograph and follow up may be indicated. ...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


Dr. Loki Skylizard
307 doctors shared insights

Lung Nodule (Definition)

A lung nodule is a round area that is more solid than normal lung tissue. It is a nonspecific finding and can ...Read more