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Doctor insights on: Subcentimeter Lung Nodules

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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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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 a lung nodule?

What is a lung nodule?

X-ray spot: It can be anything from an old inactive walled-off TB of fungus infection to a benign tumor to cancer to something as exotic as a dog heartworm that went far astray. Here in kansas, most are old histoplasmosis. But a spot is lung cancer until you & your physician have a reason to think otherwise. Good luck, and be brave. ...Read more

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What is a lung nodule?

What is a lung nodule?

Solid mass in lung: A lung nodule is a soft tissue mass that is located somewhere within the lung itself. It can be a benign or malignant nodule. Following it with ct scans to see if it changes in size is one way to manage them or going directly to biopsy. ...Read more

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What are lung nodules?

What are lung nodules?

Lung nodules: Are densities or white areas, roundish usually that are seen in xr of the lungs which are not usually seen in normal, or regular chest x-rays. When we see them we do have to make decisions if pathologic to work them up to make sure they are not cancers or infections. When seen they don't always mean disease. ...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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What are the tests for lung nodule?

What are the tests for lung nodule?

Many options: Depends on age, size of nodule, history, and smoking history. Options include do nothing (rare), pet scan if there is risk for cancer, follow up cts at intervals determined by experienced md. Biopsies and surgery can come, but generally after above steps. Most nodules (>95%) are not cancer, and therefore invasive procedures should be reserved for when suspicion (guided by above factors) is high. ...Read more

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Can you tell me about lung nodules?

Can you tell me about lung nodules?

Not enough space to: There are numerous reasons for nodules. The most concerning would be cancer. Your age alone makes cancer less likely unless you are having many other symptoms (weight loss, night sweats, etc). If they are calcified nodules, the risk for cancer is very low. If they are not calcified, then you should see a lung specialist to see if you need biopsies or not. ...Read more

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Lung nodules 7 mm are they a concern?

Lung nodules 7 mm are they a concern?

It depends: Not all lung nodules are alike. The odds that a nodule is cancer depends in the appearance and size of the nodule, the medical history of the patient, the smoking history of the patient, and how the nodule changes over time. Radiologists, pulmonary physicians and thoracic surgeons are best qualified to determine the risk that a particular nodule is 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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Dr. Loki Skylizard
288 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