Tumor


 
 

See the article about cancer for the main article about malignant tumors.

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Tumor (American English) or tumour (British English) originally means "swelling", and is sometimes still used with that meaning. Tumor meaning swelling is one of the five classical characteristics of inflammation. However, the term is now primarily used to denote abnormal growth of tissue. This growth can be either malignant or benign.

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Malignant tumors are called cancer. Cancer has the potential to invade and destroy neighboring tissues and create metastases. Benign tumors do not invade neighboring tissues and do not seed metastases, but may locally grow to great size. They usually do not return after surgical removal.

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Depending on tissue of origin, tumors may be:

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~ Table of Content ~

Introduction
See also
 
FR: Tumeur


 

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