What is neoplasia? Give one example
Answers
A neoplasm is a type of abnormal and excessive growth, called neoplasia, of tissue. The growth of a neoplasm is uncoordinated with that of the normal surrounding tissue, and it persists growing abnormally, even if the original trigger is removed.[1][2][3] This abnormal growth usually (but not always) forms a mass.[4] When it forms a mass, it may be called a tumor.
Neoplasia, is the abnormal growth and proliferation of abnormal cells or abnormal amounts of cells due to a benign or malignant process.
Neoplasia can be benign or malignant.
A benign neoplasm, or a benign tumor, has several general characteristics, including the fact that:
>>It does not invade or destroy the surrounding tissue it is growing on
>>It does not spread to other parts of the body
>>It usually doesn't come back after surgical removal because the tumor itself has well-defined margins that help in its surgical removal
>>Typically, benign tumors grow slowly and have normal-looking cells and structures or are well-differentiated.
This should be contrasted with cancer, or a malignant tumor, which in general:
>Grows quickly
>May metastasize, which is when cancer cells spread around the body
>May come back after surgical removal due to irregular margins
Invades and destroys surrounding tissues
Some examples of benign tumors include
>Papillomas
>Polyps
>Meningioma
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