Doctor insights on:
Percentage Of Tumors That Are Cancerous
100%: If interpareted ocrrectly a lesion is malignant even if 1% o the tumor mass is malignant and the remaining portion is benign. In many cancers, especially high grade malignancies every cell is essentailly a malignant cell. In some tumors such as liposarcoma, 10% of the tumor can be malignant and 90% lipoma. Regardless, any % no matter how small makes the tumor malignant. ...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
What percentage of bladder tumors are cancerous? I am 55yrs, have a history of hematuria, a tumor in my bladder, and low back pain.
Details matter: Many lung nodules are benign. This will depend on were you live. Lung nodules can be granulomas, infections, fungal infections, benign growths such as hamartomas, and finally cancerous. It is important to have either serial imaging or a biopsy if a lung nodule is found. There are currently guidelines for this that a pulmonary medicine specialist or thoracic surgeon should follow. ...Read more
For colon cancer, Peritoneal Carcinoma's, roughly what percentage of those malignant tumors are cancerous. I read malignant tumors are 100% cancer.
What is the risk percentage of open brain surgery to remove a cancerous tumor at the right patietal extra axial dura? & does the tumor come back again?
Discuss with MDs: Your risk and prognosis depend on the type of tumor, stage of tumor, it's location, surgical approach and your overall health. Insist on a consultation with your surgeon and have all of your questions answered. Best of luck, madam. ...Read more
Yes: Malignant is cancerous.Get a more detailed answer ›
Size is not criteria: Benign cysts could be huge, malignant ovarian tumors could be very small, so size is not the criteria. Go for regular gyn examinations, sonograms if indicated and follow your doctors advise. ...Read more
Malignant: By definition, malignant tumors are cancerous. A tumor is just an abnormal swelling - many times it is benign (no serious, imminent concern). But if it is found to contain cancerous cells, it is then malignant. ...Read more
Need more info,,: I think more information is needed for your question. In general, very few tumors are actually cancerous, and these are detected only at the end of their growth. Even a small mass is the result of many doublings of cancer cells. It can be that a person has a lump or two in their body without knowing it. That's why so many imaging devices and screening techniques are needed to find what we can. ...Read more
Yes: A Pancoast tumor, is a tumor of the pulmonary apex. It is a malignant lung cancer that is primarily defined by its location situated at the top end of either the right or left lung. It tends to spread to nearby tissues such as the ribs and spine Most of these lesions are non-small cell cancers. The tumor can cause compression of a brachiocephalic vein, subclavian artery, and phrenic nerve ...Read more
Biopsy: Fatty tissue in the form of a lipoma becomes suspiciaous for malignancy when it grows and reachs over 10 cm. With large fatty tumors, total excision is required for diagnosis since part of the tumor can be benign and part malignant. A sample biopsy can prove to be wrong. ...Read more
Common: A tumor by any other name is a growth. It can be either benign or malignant, differentiated based upon the potential to spread. The best way to determine this is by a tissue biopsy, but we can make better predictions based on the organ of origin, physical exam, and x-ray findings. ...Read more
Yes: The fact that there are different types of cancers-ie. Brain, lung, breast, colon, pancreas- to name just a few tells us that the cancerous tumors can occur anywhere in the body. These cancers originate from the parent organ. Somehow the normal cells mutate and grow at a rapid rate, thus invading and taking over the normal tissue. What causes these tumors to mutate and form is unknown. Much research. ...Read more
DX of malignancy is histologically based to define the nature and status of low or high grade. Immunologic studies help define the type of tumior is not obvious. One can if needed look into oncogene mutations such as p53 which helps control cell cycle.
Newer mAbs can signify whether oncofetal proteins defining specific cancer are present. ...Read more
Lymphoma of the: Indolent variety commonly does this. Solid tumors may vary in size slightly but very rarely appear and disappear due to nothing. ...Read more
Depends: Some "non-cancerous" tumors (like certain kinds of colon polyps) can progress to cancer so if someone has a lot of those, he/she has a higher risk. Some others do not transform per se but are present as part of a syndrome in which cancer is prevalent (e.g. Hamartomas in cowden's disease). Most have nothing to do with cancer and will not affect your risk. Depends on the kind you had. Regards. ...Read more
Cancer growth: Slow growing cancers can do little damage over short periods even without treatment but eventually can kill if given enough time. Aggressive cancers can do enough damage in a short period therefore treatment should be offered. ...Read more
Uncontrolled growth is one of the hallmarks of cancer. It a lump has not increased in size in 4 years, by definition it is not cancer.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex. ...Read more
Probably: Surgery is the mainstay of cancer therapy if the tumor can be removed with a margin of normal surrounding tissue. Depending on the location of the cancer and the risks associated with taking it out, we will sometimes use other treatment modalities like chemotheray or radiation. The commision on cancer does have guidelines to the timeframe for cancer treatment that ranges from 7-21 days. ...Read more
Looking for cancerous tumors, just to be on the safe side. How come you aren't supposed to check all those markers?
They are not good: Markers are often used to monitor disease when the disease is known. Randomly checking all the tumor markers out of context will lead to many falsely positive results (abnormal results in a healthy patient). Best advice is to go for regular checkups and have all recommended screening tests. When you have your car serviced, you don't ask them to do every diagnostic test if the car runs fine, right? ...Read more
Could pain caused by a previously undetected tumor and possibly cancerous be the cause of the pain despite pain medication?
Unlikely: It would be helpful to know what kind of pain you are experiencing, but in general the answer to your question is no. ...Read more
Although a cancerous tumor may be too small to be visualized with a scan at the time, how long does it take to grow to 1cm? Weeks or months?
Growth of cancer: You are talking as if cancer is a one disease unfortunately it is not. The rates of growth vary from one cancer to another and in the same cancer as well. Some cancer s are well differentiated other are poorly differentiated so you cannot judge the rate. Usually cancers take months to grow to a measurable sizes rather than years or days. Small cell lung cancer needs weeks to grow to be measured. ...Read more
Tumor is a non-specific term for a swelling. Tumor may be benign or malignant. A malignant tumor is cancer.
Examples of benign tumors are fibroids, lipomas, and moles. Malignant tumors, cancers, are like breast or lung cancer.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex, if you have sex. ...Read more
One of the most important clinical features is the age of the patient. Approximately one of eight ovarian tumors in patients less than 45 year of age is malignant; by contrast, in older women, the proportion is about one of three. The single most common ovarian tumor, the mature cystic teratoma, dermoid cyst-benign tumor, is encountered at all ages.
Clinicopathologic correlation is important. ...Read more
Yes: While cancers are characterized by tumors, not all tumors are cancerous. Tumor derives from the latin for a 'mass' (a 'lump' - not all of which can be felt of course). Tumors are a result of an abnormal growth of cells and can be benign, or essentially only grow in one place and cannot spread. Cancer is when a tumor becomes malignant, or is able to spread and invade other tissues. ...Read more
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