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Doctor insights on: Very Small Nodule On Lung

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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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Lumpectomy and radiation last year. Was small amt of cancer in node. Now small shadow on upper right lung CT but radiation on left side. Lung cancer?

Lumpectomy and radiation last year. Was small amt of cancer in node.  Now small shadow on upper right lung CT but radiation on left side.  Lung cancer?

Difficult to say: small shadow can be many different things. In the absence of old studies this could have been there for years. Old study is crucial before jumping to conclusions. Old granulomas from old infections can present the same way. It is best to err on the side of caution and have a follow up study to see if it changes before jumping to conclusions. ...Read more

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Are small lung nodules cancer?

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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A CT scan showed a solitary thyroid nodule and a solitary nodule in my upper lung. Are these often related?

A CT scan showed a solitary thyroid nodule and a solitary nodule in my upper lung. Are these often related?

No: This association would be very uncommon. They are likely unrelated. Your doctor should be able to advise you on the risk of cancer of these two nodules. ...Read more

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What's a difference between lung nodule and intrapulmonary nodule? What's smallest size in mm that can be detected on CT scan?

What's a difference between lung nodule and intrapulmonary nodule? What's smallest size in mm that can be detected on CT scan?

No difference: They are two terms for the same thing. The smallest size detectable depends on the type of CT scanner and the technical parameters of the scan. A high resolution, thin section scan could potentially detect lesions 1mm or so in size. ...Read more

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Questionable small density at the left upper lung field and linear atelectasis is superimposed on the left hilum.What? Cancer? Remainder lungs clear.

Questionable small density at the left upper lung field and linear atelectasis is superimposed on the left hilum.What? Cancer? Remainder lungs clear.

Possible: The possibility of cancer is almost always there. The risk depends on the smoking history, family history of cancer, the size of the mass, etc.. Smokers are at higher risk. Certain cancers are familial. Larger spots and those with ragged edges are more likely to be cancerous. Consultation with oncologist or lung specialist may be considered.. ...Read more

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What is very rare, small foci of dense interstitial fibrosis on the heart?

What is very rare, small foci of dense interstitial fibrosis on the heart?

It sounds like...: .. you are quoting an imaging report. These words essentially mean "scar." The most common cause of myocardial/heart scar is occlusion of a blood vessel supplying that part of the heart..a heart attack. Ongoing ischemia (lack of blood supply) of heart muscle, heart enlargement or dilation and perhaps hypertension are associated with fibrosis, too. Your cardiologist will explain and advise. ...Read more

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Can a thyroid nodule feel like a small lymphnode on trachea?

Can a thyroid nodule feel like a small lymphnode on trachea?

Possible.: Specially if your nodule is in the isthmus of the thyroid. Isthmus is a small portion of the thyroid that can connect the two lobes together. ...Read more

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Would a radiologist identify multiple 3.4 cm size lung lesions on the outer part of the lung on a chest xray??

Would a radiologist identify multiple 3.4 cm size lung lesions on the outer part of the lung on a chest xray??

Lung nodules/lesions: normally abnormalities larger than 1 cm and sometimes even smaller than 1 cm will be noted by a radiologist interpreting a chest x-ray. Normal structures are not typically mentioned. It's also possible to have lesions visible on a CT scan that won't be visible on a plain chest x-ray either due to size or location possibly hidden by other structures such as the heart, diaphragm, or ribs. ...Read more

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How is a 5mm non-calcified lower lobe pulmonary nodule in a non-smoker managed? Was found incidentally on a contrast CT of abdomen.

Recommendation: Fleischner society recommendation for nodule this size is follow up ct at 12 months and, if no change, no further follow up for low risk(e.g. Nonsmoker etc..) patient. For high risk patient, follow up CT at 6-12 months and then at 18-24 months if no change. ...Read more

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Ct states innumerable tiny and very small pulmonary nodules appreciated. Does this mean metastatic disease?

Nodules in lung: Not all multiple nodules in the lung are cancer. They can sometimes be benign. A repeat scan 2-3 mo later can be helpful in differentiating this dilemma. ...Read more

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Ct scan found a lesion on my liver, a 6mm nodule on my lung, 2 tracheal lymph nodes 1cm each?

Follow up CT: The importance of the findings may depend on why your ct scan was done. Current guidelines suggest Incidental single lung nodules between 4-6 mm in patients over 35 need follow ct scan, the interval between scans is dependent on the risk of cancer (smokers, exposure to asbestos, etc). 10mm(1cm) lymph note near trachea is upper limits of normal size. ...Read more

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Is a 6mm pulmonary nodule in the right upper lobe too small to biopsy?

Is a 6mm pulmonary nodule in the right upper lobe too small to biopsy?

Probably so: Biopsy of a lung nodule depends on the size and location. A nodule smaller than 1 cm is difficult to biopsy. A nodule located too close to the heart or main blood vessels is difficult to biopsy. A nodule too adjacent to the ribs may also be difficult to biopsy. In your case ct follow up at intervals by established guidelines may be considered. ...Read more

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I have one small spot on one lung of small cell carcinoma. What's the survival rate?

I have one small spot on one lung of small cell carcinoma. What's the survival rate?

Fairly good: This type of tumor is sensitive to chemotherapy. The question is whether this is primary or metastatic from a non pulmonary origin. In either case if this is the only lesion, a thorascopic resection of the nodule can give total control. This can then be followed by adjuvant chemo. ...Read more

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Is granuloma and nodules same thing if seen on lung ct?

Not quite: Many nodules are granulomas but nodules can also be a large variety of tumors or malignant tumors. Followup or biopsies are to determine cause. ...Read more

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My CT discovered 6 lung nodules from .2 - .8 cm. .8 node is calcified, others are not. Discoid atelectasis in the upper right lung. Concerning?

My CT discovered 6 lung nodules from .2 - .8 cm.  .8 node is calcified, others are not.  Discoid atelectasis in the upper right lung.  Concerning?

Yes: Many causes including metastatic cancer. Do you have history of cancer? Breast, colon, prostrate and bladder most common. Also non cancerous conditions like hamartomas, sarcoidosis, rhemautoid nodules, infectious conditions, lymphomas and kaposis sarcomas etc. Please, see a pulmonologist if this is a new finding. Good luck. ...Read more

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6mm nodule left lung base pleural surface and faint 6mm nodule on left lower sub pleural lobe found from CT. Enlarged heart found on right side. Also very slight alveolitis found in right upper lobe. ?

Nodule: A 6mm nodule is a relatively common finding. Many times these are benign resulting from old infections or exposures. It becomes more worrisome in a smoker, and regardless should have a follow up cat scan in 3-6 months. ...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