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Doctor insights on: Do Benign Lung Nodules Grow

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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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Do benign lung nodules grow, and is it possible for a carcinoid not to have any growth in 8 months?

Do benign lung nodules grow, and is it possible for a carcinoid not to have any growth in 8 months?

Yes: Benign nodules can grow. It is possible that a carcinoid grows very slowly and does not appear to enlarge on scans over the 8 month period. ...Read more

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Can benign lung nodules grow?

Can benign lung nodules grow?

Yes: But there are very few truly benign solid tumors that occur in the lung. The only type seen with any frequency are hamartomas. Lung nodules that are made of scar do not generally grow except when they form, granulomas are burnt out infections that also don't grow. Any solid lung nodule that is increasing in size needs to be proven not to be cancer with biopsy ...Read more

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Why would a lung nodule grow from 5mm to 9mm?

Why would a lung nodule grow from 5mm to 9mm?

Would get checked: A lung nodule is not cancer per se, but it is unusual for a noncancerous nodule to grow. In the setting of smoking, this would be worrisome and require further evaluation. ...Read more

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Pls can u advice me what causes a benign lung nodule, thanks?

Pls can u advice me what causes a benign lung nodule, thanks?

Inflamation, etc: Benign nodules are often the result of abnormal tissue, inflammation and/or scar. This can result from inhaling something or having an infection. ...Read more

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What is the recovery process like after having a benign lung nodule removed?

What is the recovery process like after having a benign lung nodule removed?

Depends: If thoracoscopic wedge resection, usually 1 or 2 nights in hospital, and 1-2 weeks at home. .. If thoracotomy and/or lobectomy, then up to a week in the hospital and several weeks to a few months at home. ..;. ...Read more

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Can benign lung nodules cause problems in the lung?

Yes: Benign means whatever is causing the nodule will not spread. However, the nodule can grow in size, impinge on, or erode into nearby structures and cause symptoms. ...Read more

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What are the factors that make a lung nodule benign vs malignant?

Difficult to explain: Tumors, primary or metastatic tend to grow more rapidly, may be associated with weight loss, positive positron scan, malignant cells in sputum, fine needle aspirate or on biopsy. Often the distinction is difficult. ...Read more

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Lung nodule didn't grow for 6 months and now 15% first 2months 10 the next and now 5%.Should it be operated on now or is it safe to wait 3months?

Lung nodule didn't grow for 6 months and now 15% first 2months 10 the next and now 5%.Should it be operated on now or is it safe to wait 3months?

I wouldn't wait: A lung mass which is increasing in size is very concerning for cancer. Waiting a week or so probably doesn't make a difference but waiting 3 months would make me uncomfortable. You have already watched it for 9 months. Another 3 months means you have observed this lesion for a year! ...Read more

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I ve multiple lung nodules, expecting key hole surgery to test it, if it comes out benign, later will dr be able to remove them or better to leave them?

Lung nodules: Can't be ignored. Some are more suspicious than others. Age, smoking ; other factors are key. Characteristics of nodule, like calcification, may suggest a benign cause. Surgical or needle biopsy can help define some nodules, but sampling error (missing what you aim for or biopsing a benign nodule when a malignant one may be lurking elsewhere) can occur. True benign nodules don't need to be removed. ...Read more

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Wanted to know if benign lung nodules can cause asthmatic symptoms?

Wanted to know if benign lung nodules can cause asthmatic symptoms?

No: Asthmatic symnptoms are a response of the trachobronchial treee to an allergic response and is treated as such. Benign lung nodules are unrelated to any secondary allegric or IgG response ...Read more

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Can a radiologist tell if a lung nodule is benign by just looking at it?

Can a radiologist tell if a lung nodule is benign by just looking at it?

Often but not perfec: Often there are certain characteristics on the xray that are helpful but no guarantee. It is often helpful to obtain a pet/ct scan as it has more accuracy. The best test is a biopsy if possible. ...Read more

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What symptoms can a benign lung nodule cause, and whether it causes blockage and effect on breathing?

What symptoms can a benign lung nodule cause, and whether it causes blockage and effect on breathing?

Mostly none: In general, lung nodules benign and malignant are asymptomatic (without symptoms). That said, benign is more likely associated with infection. Thus symptoms such as infection and pneumonia may be present; fever, cough, etc.... Other symptomatic nodules may be from sarcoidosis. There is a large list of symptoms with sarcoid. ...Read more

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Are subcentimeter lung nodules that have not changed in size since january assumed to be benign if they do not light up on a pet scan. All are 6 mm?

Not necessarily: Six millimeter nodules are small and may not light up in a pet scan even if malignant. However, the fact they are stable is encouraging. I would guess your doc will keep an eye on them unless there's something else that is suspicious for cancer. Good luck. ...Read more

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How often do benign lung nodules change to cancerous, or do they all turn over a period of time? D

How often do benign lung nodules change to cancerous, or do they all turn over a period of time? D

Generally don't turn: Key factor is change in size; benign nodules tend to stay roughly the same size over time, malignant nodules don't-they get bigger more rapidly. Benign nodules are common-aftermath of prior infection, inflammation, etc.
Smoker? Ex- smoker? Lived/worked with a smoker? Occupational exposures? Family history? All are factors to be considered. Get follow up with your md, and/or pulmonary specialist. ...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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Pulmonologist said a lung nodule I have is benign, I still feel uneasy about his answer, should I seek a second opinion? Nodule is 2 CM calcified

Pulmonologist said a lung nodule I have is benign, I still feel uneasy about his answer, should I seek a second opinion? Nodule is 2 CM calcified

Biopsy: A calcified nodule is likley benign. You need to compare thx xray with an old film of your chest if you have. Ct of the chest is helpful. If any doubt tissue biopsy will confirm the nature of this nodule. If you are not comfortable with the response nothing is wrong with getting another opinion. ...Read more

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Can a benign lung nodule cause a sore back? (uncomfortable)

Yes: Depending on the location and size of the nodule, as well as the cause of the nodule, it can cause pain. ...Read more

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I have multiple lung nodules with a history of oral cancer. Bronchoscopy was benign, but nodules could not be reached. Chances this metastatic?

I have multiple lung nodules with a history of oral cancer. Bronchoscopy was benign, but nodules could not be reached. Chances this metastatic?

Could be metastatic: Lesions of lung associated with oral cancer is not that uncommon. Higher possibility of such disease in lung would correlate better if cervical nodes had been present initially. Bx is essential to initiate therapy if needed. A PET/CAT could indicate possibility of lung mets. Thorascopic bx would be helpful for deciding on definitive management. ...Read more

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Is a lung nodule which is 7cm in size not very big though described as benign by 1st CT scan with a 2nd CT in 6 mnths should I be concerned about 7cm?

Is a lung nodule which is 7cm in size not very big though described as benign by 1st CT scan with a 2nd CT in 6 mnths should I be concerned about 7cm?

Need to check: The report again. 7 cm or 7mm or 0.7 cm? If lesion really 7 cm, it needs work up now. If 7mm (same as 0.7cm) then 6 month follow up scan ok. ...Read more

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Had a CT scan it showed a 7cm lung nodule it may be benign I'm going to have another CT scan in 6 months to see if it has grown I'm a little concerned?

Had a CT scan it showed a 7cm lung nodule it may be benign I'm going to have another CT scan in 6 months to see if it has grown I'm a little concerned?

Lung Nodules: Are very common and fortunately most of the time are benign. Many people actually have these and are unaware. There are certain characteristics of nodules such as size and appearance that may sometimes be more worrisome. Also, a history of cigarette smoking may be a cause for concern. 6 months is a standard screening period for lung nodules. ...Read more

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If a lung nodule is malignant, would that show up in blood test, and how fast would it grow if its cancer lung nodule is calcified in center?

If a lung nodule is malignant, would that show up in blood test, and how fast would it grow if its cancer lung nodule is calcified in center?

Hmmmm: There is no blood test that I know of top detect lung cancer. Radiographic studies are used to help with lung cancer diagnose. If youworry about nodule being lung cancer, please seek advice of your hometown physician. We can't make aa definitive diagnosis for you over the internet. Your doctor will be the healing hands. ...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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Can a radiologist usually tell if a lung nodule is benign or cancerous by seeing it on a ct scan?

Can a radiologist usually tell if a lung nodule is benign or cancerous by seeing it on a ct scan?

To a certain level: There are a number of radiologic characteristics for lung nodules that provide either high or low suspicion for malignancy. However, for many lesions the patient will require a biopsy for definitive diagnosis. The pathological evaluation includes many biomarkers necessary to stratify treatment options. ...Read more

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Had 6 negative CT scans for a benign lung nodule in my early 40s. Is my risk of cancer increased, by how much and how many years down the road?

Cannot predicy: If after all those CT scans there has benn no change in the finding, then the likelihood it is nothing to worry about. Your risk of cancer is not increased by this nodule or the CT. There are never any guarantees that you won't get cancer. A healthy life style without smoking and the like will certainly be in your favor. Good luck ...Read more

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Can a stable over 4 yrs lung nodule at 5mm grow to 1.6 mm in 12 months or be effected by a dental injected sedative the day before CT scan?

Can a stable over 4 yrs lung nodule at 5mm grow to 1.6 mm in 12 months or be effected by a dental injected sedative the day before CT scan?

Lung Nodule: An injected dental sedative has no effect on a lung tumor. A stable nodule may be a tumor, or it could be a scar from a previous localized infection. Most malignant tumors will grow considerably in 4 years; doubling in size in 12 months, however, raises the question that it is either a tumor in a growth phase or a granuloma or other form of chronic infectious process that should be followed up. ...Read more

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Can breast (benign) calcifications show up as a 2 mm lung nodule on CT w/o iodine? So scared! Node on CT in Apr. 14 and Oct. 14. Recheck tomorrow.

Can breast (benign) calcifications show up as a 2 mm lung nodule on CT w/o iodine? So scared! Node on CT in Apr. 14 and Oct. 14. Recheck tomorrow.

Unlikely: Benign calcifications in the breast are common but they should not cause or be mistaken for a lung nodule. Lung nodules can have many causes and are not necessarily malignant but the are not generally associated with benign breast calcifications. Hope this was some help. Best of luck. ...Read more

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2mm lung nodule lower left lobe - unrelated CT found it - on 1yr fu it's now 4mm. Any reason other than cancer it would grow? I just quit smoking.

Benign possibilities: There are many benign causes of a solitary pulmonary nodule. However, with a smoking history, you probably ought to have it biopsied, if possible, or even removed. This is to be certain that this isn't due to an early malignancy whose removal would likely be curative. Kudos to you for smoking cessation; keep up the good work. Good luck! See a cardiothoracic surgeon for evaluation. ...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