Doctor insights on:
Accuracy Of Chest X Rays For Lung Cancer
Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more
Not necessarily: Chest xrays are not regarded as good lung cancer screening tools. Ct-scan, while imperfect, is currently the best demonstrated screening tool for lung cancer. A proper protocol chest ct will use about the same radiation as a mammogram. http://goo.gl/b69an. ...Read moreSee 2 more doctor answers
Not easily: Cxr has been compared head to head with chest ct scan for screening in high risk patients for lung cancer. That study, national lung screening trial, found that in high risk patients, screening chest ct scan was more effective, and was found to save lives. Larger cancers might be seen on a cxr, but smaller cancers may be missed. ...Read moreSee 2 more doctor answers
Low dose CT: The national lung screening trial (new england journal of medicine) showed that screening chest ct in high risk patients (heavy smokers and older patients) reduced deaths from lung cancer by 20% compared to patients screened with plain x-ray alone. There will soon be specific guidelines on exactly who should under go routine chest ct screening. ...Read moreSee 2 more doctor answers
I stopped smoking at 29 yrs old after close to 15 yrs smoking. I just had a clear chest x ray. What are my future chances of getting lung cancer?
I've had a cough for a week or so. Dry and wet cough about 12x a day. Could this be lung cancer? I had a clear chest X-ray in july. 36yo smoker.
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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