Doctor insights on:
Percentage Of Tumors That Are Cancerous
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
For colon cancer,Peritoneal Carcinoma's, roughly what percentage of those malignant tumors are cancerous.I read malignant tumors are 100% cancer.
0%: All ependymoma brain tumors are technically malignant, meaning the cells are cancer and can grow into the surrounding brain tissue. However, most of these tumors (over 90%) are curable because the tumor is confined to one area, is slow-growing, and can be removed by surgery. Sometimes radiation alone is used for slow-growing brain ependymomas if surgery can't be performed. ...Read moreSee 1 more doctor 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
Are nasal tumors rare in people in 30's, both benign and malignant? What are statistics of cancerous ones?
Yes: Nasal tumors are less common but may still occur in younger people. See a medical professional for an examination to determine the cause. Don't jump into statistics about malignancy before you know what is wrong. ...Read more
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 moreSee 1 more doctor answer
Many Types: There are more than three types of malignant tumors. A cell from any organ (liver, skin, lung, brain, blood, breast, ovary, etc) may proliferate without regulation and produce a malignant tumor. ...Read more
Depends on age: 49 year old female asks, What percentage of breast calcifications are benign? Depends on shape and character. On Mammogram Bigger calcium deposits, Macrocalcifications, that tend to be rounded dots & scattered about tend to be benign and occurs in about 50% of women >50years & in about 10% of those ...Read moreSee 1 more doctor answer
Not CA, can get big: Cancers (malignant) tumors lose normal control with other cells, have unrestricted growth; they can enlarge, spread by blood or lymph. Can be fatal. Benign tumors are abnormal, but not cancers. Can get big, but don't spread by blood or lymph. Generally not fatal, although benign brain tumors can cause a lot of trouble-not much room to spare in the skull. ...Read moreSee 1 more doctor answer
Yes: Malignant is cancerous.Get a more detailed answer ›
It depends: Most healthy people have spots on their liver. These are usually benign (not cancerous) cysts called "hemangiomas", which are spaces filled with fluid. The radiologist who interprets the images will know if the spots are worrisome, and will then order a different test or a biopsy. If you have had cancer, spots in your liver could be signs of spread and need to be checked more thoroughly. ...Read more
Small and about 5%: Other than for congenital polyposis the majority of lesions arise in a field effect initiated by the polyoma virus. Contrary to the belief that adenomatous polyps convert to malignant polyps and then Ca this occurs in about 5 % of pts. 95% arise from premalignant cells in the viral or carcinogen field. ...Read more
What are statistics of malignant salivary gland tumors of the parotid gland?Not tumors in general.Cancerous ones.How many people per so many?How rare?
Many: There are many different types of brain tumors that occur in the pediatric population, each with a different prognosis. Overall, greater than 70% of of childhood brain tumor patients are alive 5 years after their diagnosis. For more information, see http://www.Cancer.Gov/cancertopics/pdq/treatment/childbrain/healthprofessional/page1/allpages. ...Read more
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