Low-Dose Screening CT Chest for Detection of Lung Cancer
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Laeeq Shamsuddin, MD is a board certified Pulmonary Disease with Amita offices located in Elk Grove Village, IL. Click here for more information about this provider. Laeeq Shamsuddin, MD - Elk Grove Village, IL - Pulmonary Disease - DuPage Medical Group. Dupage Pulmonary Associates is a group practice with 1 location. Currently, Dupage Pulmonary Associates specializes in Critical Care Medicine, Internal Medicine and Pulmonary Disease with 2 physicians.
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What studies have been done to evaluate this test?
A study by Henschke, et al. found that non-calcified pulmonary nodules were detected in 23% participants by low dose CT at baseline, compared with 7% by chest radiography. Malignant disease was detected in 2-7% by CT and of the 27 CT-detected cancers, 26 were resectable. It was concluded that low-dose CT can greatly improve the likelihood of detection of small (early) lung cancers, and thus potentially more curable stage.
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Who should consider lung cancer screening?
People at high risk for developing lung cancer, i.e., those 50 to 80 years of age with at least 10 pack-year history. You have a 10 pack-year history if you have smoked one pack a day for ten years, two packs a day for 5 years, etc.
How does this test differ from a Diagnostic CT Scan of the Chest? How to create dmg files.
Diagnostic Chest CT scans require a prescription by a physician and will only be reimbursed by insurance companies if strict criteria are met. Usually this test is performed if there is an abnormal chest x-ray or history of cancer. Diagnostic CT Scans of the Chest are ordered as a problem solving modality, and usually necessitate intravenous administration of iodinated contrast. Download numbers for mac free.
Apps like mp3 rocket for mac. Low-Dose Screening CT is intended to supplement or replace routine CXRs which are performed in patients without symptoms or known disease. Like screening mammography, it is essential to minimize the amount of radiation exposure in asymptomatic patients. The test is specifically designed to rapidly screen the lungs with minimal radiation exposure, to allow detection of pulmonary nodules. No intravenous contrast is used.
Low-Dose Screening CT is specifically designed to screen for pulmonary nodules, and is neither designed nor intended to screen for abnormalities elsewhere in the thorax (i.e., heart, aorta, lymph nodes, bones).
What type of machine is required?
Since it is critical to minimize radiation and to provide complete lung coverage in a breathhold, this test should only be performed on a helical (spiral) CT scanner with current software and hardware upgrades.
What does the procedure involve? Netflix download mac.
First, you complete a brief risk factor questionnaire. Next, you lie down on the imaging table and a CT technologist will ask you to hold your breath while the images are taken. That's it. In twenty seconds, your exam is complete, and you may return to your regular routine. The procedure is pain free, non-invasive, and inexpensive.
Your examination will be overread by two board certified radiologists, and results will be sent to you and your doctor within 48 hours.
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What results should I expect?
If your test was read as negative, then no pulmonary nodules were detected. If you are at high risk for lung cancer, then you should consider repeating the exam yearly.
If the radiologists detected a pulmonary nodule that raises concern, then you will be urged to make an appointment with a lung specialist. You may be asked to return for a diagnostic CT Chest, which is performed with higher spatial resolution and thin cuts through areas of concern, allowing characterization of nodules detected by the screening exam. Frequently, nodules detected on the screening exam are subsequently revealed to be benign granulomas or scars on the diagnostic study. Therefore, an initially positive screening test does not necessarily mean that you have lung cancer.
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