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Need Carcinoid Tumors
Are carcinoid tumors carcinoma? Is malignant metastatic stomach carcinoma that's hereditary a carcinoid cancer? carcinoid Neuroendocrine tumors?
Carcinoid refers to neuroendocrine tumors originating in gastrointestinal (GI) tract, lungs and appendix. They are usually indolent developing over many years. Aggressive, fast-growing forms such SCLC known as Oat Cell Ca of lung represents neuroendocrine carcinoma that exhibits rapid growth and early spread to distant sites. They are sensitive ...Read more
How much metastasis does there need to be to cause carcinoid syndrome from midgut carcinoid tumors?
Neuroendocrine tumor: It is a relatively benign type of tumor that can secrete a variety of hormones, most notably serotonin. They are most commonly found in the gut or the lungs. They do not come from the lining of the lungs or the gut (as adenocarcinomata do). They come from a different line of cells. Carcinoid syndrome occurs when large amounts of serotonin get into the bloodstream, assoc with flushing and diarrhea. ...Read more
No.: By definition, a benign tumor does not metastasize (spread to other sites by invading the blood stream or lymphatic system). Extremely rare cases of 'parasitic' or implanted benign tumors (eg leiomyomas of the uterus) are recognized to occur in sites outside their normal origin, but this is thought to be a result of some form of tissue transplantation, and not true tumor ''metastasis' ...Read more
For colon cancer,Peritoneal Carcinoma's, roughly what percentage of those malignant tumors are cancerous.I read malignant tumors are 100% cancer.
Cancer & metastasis: Cancer is a term used for diseases in which abnormal cells divide without control and are able to invade other tissues. Cancer cells can spread to other parts of the body through the blood and lymph systems. When these cancer cells spread beyond the primary organ- we call this metastasis. ...Read more
If both benign and malignant tumours are formed by abnormal cell division, what makes malignant tumours cancerous and benign tumours non-cancerous?
Power to invade: Tumors are in fact caused by the accumulation of a series of genetic mutations. If something is going to be cancer, the mutations destabilize the genome and eventually mutations give the ability of the cells to invade and spread as they do early after conception. The idea that tumors are "cells dividing too rapidly" is fundamentally wrong and confusing -- it's the loss of controls. ...Read more
Terminology issues: The term malignant is used to describe a tumor known to spread to & damage tissues & organs to the point death is possible. Benign tumors are less worrisome.They tend not to spread, but someone may have many individual ones.Their location & growth may produce problems for the patient.Transformation to a malignancy in unheard of for some benign lesions and rare for others. ...Read more
Aggressiveness: Benign tumors, while problematic, tend not to be as aggressive nor as invasive--with less potential to spread. Generally these may be removed without danger of returning. They have no cancerous cells. Malignant tumors spread more invasively & are derived from uncontrolled cancer cell growth that can metastasize to other parts of of the body. These have the risk of returning after surgery or chemo. ...Read more
MRI, blood tests: The most accurate way to diagnose a pituitary tumor is by mri. Some pituitary tumors secrete hormones. Blood levels of these hormones may be checked to help diagnose a pituitary tumor as well. A tumor may be suspected if one's visual field is restricted (loss of peripheral vision). ...Read moreSee 1 more doctor answer
Yes: The typical echogenicity of the pancreas is hyperechoic to adjacent fat. A hypoechoic mass within the pancreas can be benign or malignant. If you have a hypoechoic mass in the pancreas at age 30, you should undergo an MRI or ct of the abdomen to evaluate it further unless by ultrasound it is obviously cystic. ...Read more
Depends: A thymoma is a malignant tumor of the thymus, and the seriousness depends on details in the pathology report. An ectopic thymus and a hamartoma are both benign, but if the report says "thymoma" then it is probably malignant although not necessarily very serious if completely removed. Discuss with your surgeon! ...Read moreSee 1 more doctor answer
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