Doctor insights on:
How To Test For Lung Cancer
MD time: You need to see a doc for a good evaluation. I'm not sure if you mean that you already were diagnosed with cancer. If so, talk to your oncologist. If not, talk to your family doc about your concerns. You may need to have some tests, like scans or even a biopsy. Don't panic, just make that appointment. ...Read more
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
There are many ways: To test for many types of cancer. This question is so general - that it would take a book to answer it. Is there a particular type of cancer you are concerned about? If yes, then specify and re-ask question. If you are asking for a school exercise - you would do well to google under different cancer types. ...Read moreSee 1 more doctor answer
Immunosuppression: The drugs that allow a human transplant, suppress the immune system. Even "compatible" organs from donors, usually sudden deaths in otherwise healthy folks, have antigens recognized by the recipient immune system, so asleep the immunity most go to tolerate the "foreign" organ. The immune system helps control and eliminate cancer cells. Those with transplants are susceptible to tumor development. ...Read moreSee 1 more doctor answer
Kras braf tests are: Molecular testing of colon mets tissue for gene mutations of those two loci predict patients who will or will not respond to precision anti tumor (epidermal growth factor receptor protein) antibodies. These were FDA okd and clinically proven in hundreds of tested and treated patients to be beneficial in survival. Oncologists versed with and pathologists who process these tumor tissues shld help U. ...Read more
How accurately will a fecal test find early stage colon cancer? The one that looks for cancer blood markers. Please help!! Approximate percentage.
Pretty low: Conventional assessment of colorectal cancer (CRC) risk largely involves detection of non-dysplastic adenomatous polyps. Standardized sensitivity was 48.2%, for CRC stages I-IV, values were 35.0%, 63.0%, 46.0% and 77.4%, respectively. Specificity was 91.5%. Sensitivity for advanced adenomas was low (11.2%). Ref: Mol Diagn Ther. 2014 Apr;18(2):127 & Gut. 2014 Feb;63(2):317 ...Read moreSee 1 more doctor answer
Surveillance: there are different ways to monitoring patient with history of cancer. obviously we need to follow up physically as well as some blood works and other recommended per guideline. In addition, this person also will need to update other age-appropriate cancer screening procedure - like a colonoscopy, mammogram, pap-smear etc. discuss with your MD further. ...Read more
Yes: Your thoracic surgeon can perform a trans-bronchial biopsy with fluoroscopic guidance or ultra-sound guidance (ebus), or inreach/ilogic/superdimension/electromagnetic navigation to target and biopsy specific lung lesions. All these techniques are done with bronchoscopy. ...Read moreSee 3 more doctor answers
Depending: on the technical factors of the scan, highly sensitive for detecting lung cancer, less so so for esophageal cancers. Small esophageal cancers may be undetectable on CT, endoscopy is the best way to evaluate for that possibility(also biopsy can be performed at the time of endoscopy). ...Read more
Please tell me how long it takes for to get blood screening results back to check for any signs of cancer?
Blood test and exam: The current screening tests include a blood test and digital rectal examination. Imaging studies and x-rays are not part of the screening process. The screening tests should be performed once yearly unless you have risk factors. Screening is recommended to start at age 50 unless you have risk factors and may start earlier if there are risk factors. ...Read moreSee 1 more doctor answer
Lymph nodes: Lymph is a fluid carried in channels called the lymphatic system. Lymph nodes are stations along that system. Cancers arising in the lymphatic system are either primary (blood-derived) cancers or metastatic cancer (from other places that have entered into the lymphatic system). Blood-derived cancers can be screened by blood test, but an enlarged lymph node is usually biopsied for diagnosis. ...Read more
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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