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Doctor insights on: What Does Lung Cancer Look Like On A Ct Scan

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What is CT scan usual result for lung cancer?

What is CT scan usual result for lung cancer?

"Nodule": A solid mass or nodule however it is difficult to define benign vs malignant. Pet/ct may more helpful where there is suspicion. However, this may also limited in differentiating infection/ inflammation from cancer. That being said, imaging does not arrive at a pathological diagnosis. When possible, any suspicion of lung cancer requires pathological confirmation through a biopsy. ...Read more

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Dr. Christopher Crosby
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Dr. Qamar Khan
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Computed Tomography (Definition)

Computed tomography is also known as CT scan. Ct uses xrays taken an 360 degrees combined with a computer to see"inside" the body. The table moves as the xray tube and detectors spin around the patient 10 times a second or more! the image shows excellent soft tissue detail, enhanced with injection of intravenous contrast or oral contrast. This way the body is shown in slices, in any plane, usually axially, but ...Read more


Dr. Christopher Crosby
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Treating a Collapsed Lung (Checklist)

Go to the ER for x-rays and initial treatment
Once
Use high flow oxygen
Once
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Is it possible to get lung cancer from a spiral CT scan?

Is it possible to get lung cancer from a spiral CT scan?

Possible Not Likely: Medical radiation is estimated to cause about 1% of cancers. Patients trested with radiation therapy have about a 0.5% chance of having a radiation related 2nd cancer. The risk from a single spiral ct is considerably less and would likely occur 10-20 years after the exposure. Bottom line is that tests like ct scans should only be ordered for good reasons. ...Read more

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When would you do a spiral CT scan to check for lung cancer?

When would you do a spiral CT scan to check for lung cancer?

High risk groups: It is recommended for two groups: 1- 55 to 74 yo with 30 pack year smoking, current smokers or quit in past 15 years. 2- 50 & older minimum 20 pack years and at least one additional risk factor. ...Read more

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Treating a Lung Nodule (Checklist)

Recognize that most nodules are benign scars, not malignant
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Remember to obtain any previous images possibly showing nodule
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Research whether it's best to follow the nodule or to biopsy it
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How often should one have a spiral CT scan to check for lung cancer?

How often should one have a spiral CT scan to check for lung cancer?

Depends: Ct-scan screening for lung cancer is appropriate for specific patients that meet certain criteria. See this link: http://www.Cancer.Net/publications-and-resources/what-know-ascos-guidelines/what-know-accp-and-asco-guideline-lung-cancer-screening/recommendations-lung-cancer-screening. ...Read more

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Can you tell on a CT scan if it is lung cancer or something else? What reasons wouldn't a dr do a needle biopsy?

Can you tell on a CT scan if it is lung cancer or something else? What reasons wouldn't a dr do a needle biopsy?

Sometimes: Certain things appear on ct scan, have characteristics of an old scar. No biopsy is needed. Certain spots are too small, too far, too dangerous to reach with a needle. ...Read more

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Living with Skin Cancer (Checklist)

Avoid sun exposure between 10 am and 2 pm
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Apply sunscreen
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Wear a hat outdoors on sunny days
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See dermatologist for check ups
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Are small nodes seen on lungs thru chest CT scan suggesting lung cancer or something else?

Are small nodes seen on lungs thru chest CT scan suggesting lung cancer or something else?

Not necessary: Are you referring as small lymph nodes or small nodules on the lung? There are other conditions beside cancer that can be presented with small nodes - including infections, inflammation, autoimmune process, etc. So, a good history, examination, blood work and serial imaging would be necessary to be done. Discuss with your md in detail. ...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


Dr. Michael Korona
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Ct Scan (Definition)

Ct scan uses data from a beam of xrays and reconstructs a cross sectional image of your body. It is a high dose of xrays and used only when the benefits outweigh the risk. Cancer risk is 1 in 500 in children. Also using iodinated contrast might cause transient renal failure in about 5% of patients. (contrast induced nepropathy) most do not explain this to the patient as ...Read more


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Dr. Christopher Crosby
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