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Doctor insights on: Small Lung Nodule

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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

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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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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Ok so is it just as likely to experience symptoms from a 2.6cm (or smaller) lung nodule as it is from a lung mass?

Ok so is it just as likely to experience symptoms  from a 2.6cm (or smaller) lung nodule as it is from a lung mass?

Variable: Most small masses, nodules, lesions of that size are asymptomatic! the incidental finding is good luck. Depending on exact location, bronchoscopy may define the cause most will be removed. Some will biopsy first, but the thoracic surgeon will guide this with you. ...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 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

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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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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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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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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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After diagnosis with C.T scan Abdomen results were liver cyst - small left lung base nodule, my mother have pain symptoms every four days pls advice?

After diagnosis with C.T scan Abdomen results were liver cyst - small left lung base nodule, my mother have pain symptoms every four days pls advice?

May not cause pain: Liver cysts are usually benign fluid filled structures. There are may causes for lung nodules including lung cancer and therefore usually requires follow up. Neither is usually painful. ...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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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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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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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
300 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