Doctor insights on:
What Is The Pathophysiology Of 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
None in early stages: Lung cancer may not produce any noticeable symptoms in the early stages. In approximately 40 percent of people diagnosed with lung cancer, the diagnosis is made after the disease has advanced. In one third of those diagnosed, the cancer has reached stage 3. Cough, weight loss, blood in sputum, hoarseness, and shortness of breath are some symptoms. ...Read moreSee 1 more doctor answer
Only pathology: Vulvar cancer is a pathologic state and has no physiology. The causes include hpv and HIV infection, and smoking. It is uncommon and occurs on older women. For additional information consult the website given below. http://www.mayoclinic.com/health/vulvar-cancer/ds00768. ...Read more
Not known.: There does not appear to be any specific etiology for this since it eventually appears in nearly all men if they live long enough. It is seen more today because testing picks it up more in asymptomatic men. Men often die without knowing they have it because they die of some other cause, and it may be found if an autopsy is done. ...Read moreSee 2 more doctor answers
Colon cancer: Genetic alterations (changes in the dna or ways in which dna is regulated) in the epithelium of the colon (the cells that line the colon) are the source of colon cancer. These changes can occur for many reasons, some of which are genetics alone (family predisposition), a combination of genetics and environment (foods, toxins), or the we don't exactly know category. ...Read more
Extranodal lymphoma: Lymphoma in the lungs may be in the lymph nodes (nodal) or in the lung parenchyma (lung tissue itself = extranodal = outside of lymph nodes). While theoretically any lymphoma may involve the lungs some more common ones might include - marginal zone lymphoma, primary mediastinal, effusion lymphoma, dlbcl... ...Read moreSee 1 more doctor answer
Overall curable: Hodgkin lymphoma as it is now called is one of our success stories. If it is diagnosed in the early stages, the cure rate is >90%, even late stage disease has cure rates of greater than 80%. In those cases where there is disease recurrence, stem cell transplant has been successfully used to cure many people. ...Read moreSee 1 more doctor answer
Colon Cancer: Review of literature shows: 132,700 new cases diagnosed each year in the US. 93,000 of these cases are colon cancer and the rest are rectal cancer. Colon and rectal cancer is common and lethal. Five years survival rate varies from 93% for stage I to 8.6% for stage IV. ...Read moreSee 1 more doctor answer
Multiple factors: Age over 50, chronic intestinal diseases, polyps, diabetes, smoking, sedentary lifestyle, heavy alcohol consumption and filly history of cancer can all increase your risk. Majority occur due to acquired defects in cells lining the intestines from a combination of one or more factors. Small minority are hereditary. ...Read moreSee 1 more doctor answer
Site of mets: People with liver cancer often have underlying diseases, e.g., cirrhosis, chronic hepatitis, hemochromatosis etc. Development of liver cancer causes worsening of existing condition, plus , enlarged liver, weakness, fluid in abdomen, weight loss, jaundice etc. Aduitional symptoms will depend on the site of metastases, which usually are in the lung, therefore cough, blood in sputum etc. ...Read more
Fatal cancer: hello ~ you cannot be slightly dead. Cancer kills you eventually, so they are all fatal. You cant get a slightly less fatal one because then you would be only slightly less dead. SO A: they are all FATAL. Some faster than others, some more treatable than others. But in your frame of reference ( and not one normally used) they' re equally fatal because they equally cause you to die. ...Read more
Varied symptoms: Cancer can develop in different parts of the human body. Depending on its location, there are local symptoms of swelling/new growth which is often painless when it is small but may become painful after it has grown in size to more than 2-3 inches. There can be ulceration and bleeding from the new growth. Some peeopl start losing weight despite eating normally. An unexplained fever can be a clue to ...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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