Nevi, or moles, are types of benign tumors that may never need treatment. Other types of benign tumors include:. The only way to be certain if a tumor is benign or malignant is with a pathology examination.
While benign tumors rarely become malignant, some adenomas and leiomyomas may develop into cancer and should be removed. Desmoid tumors and fibroids also may cause damage if they are allowed to grow and may require surgery or a polypectomy.
But while benign tumors may require some treatment, the cells that form them share few of the characteristics of aggressive cancer cells, Dr.
Then it learns how to proliferate. Then it learns how to invade. Then it learns to metastasize. Cells are the building blocks of cancer. Still wondering, what exactly is cancer? Learn more. Make a difference in the fight against cancer by donating to cancer research. Call us anytime. What's the difference? Other types of benign tumors include: Adenomas : These bumps form on the surfaces of G-I tract.
Normally, cells grow and divide to form new cells as your body needs them. When cells grow old, they die, and new cells take their place. Sometimes, this process goes wrong. New cells form when your body does not need them, and old cells do not die when they should. These extra cells can divide without stopping and may form tumor. The information on this site should not be used as a substitute for professional medical care or advice. Contact a health care provider if you have questions about your health.
Benign Tumors Also called: Benign neoplasms, Noncancerous tumors. See, Play and Learn Images. Research Clinical Trials Journal Articles. Cancer is overly prolific, abnormal cell growth. Learn about benign, malignant, locally invasive, metastatic, primary and secondary cancers. Share on Facebook. Notice: Users may be experiencing issues with displaying some pages on stanfordhealthcare.
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What is the difference between benign and malignant cancer? What are "locally invasive cancer" and "metastatic cancer"? Cancer is malignant because it can be "locally invasive" and "metastatic": Locally invasive cancer —The tumor can invade the tissues surrounding it by sending out "fingers" of cancerous cells into the normal tissue.
Metastatic cancer —The tumor can send cells into other tissues in the body, which may be distant from the original tumor. What are primary tumors? Previous Section Next Section. Condition Spotlight. Sugar and Health - the Sweet, the Sour, and the Sticky!
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