Neoplasm, The Cancer


The term neoplasm refers to an abnormal growth of tissue caused by the rapid
division of cells that have undergone some form of mutation.
The body is made up of trillions of cells that grow, divide, and die in an orderly
fashion. This process is a tightly regulated one that is controlled by the DNA
machinery within the cell. When a person is growing up, the cells of the body
rapidly, #, but once adulthood is reached, cells generally only divide to
replace worn-out, dying cells or to repair injured cell.
Some Common type of Neoplasm:
Adenomas - These develop in the epithelial tissue, which is a thin layering
that covers organs, glands and other structures A polyp in the colon is a
common example of an adenoma. These polyps can be removed surgically.
Fibromas - These are growths that arise in the connective or fibrous tissue
and they can grow in any organ. Fibromas can cause symptoms and may
need to be surgically removed.
Hemangiomas - Here, blood vessel cells accumulate in the skin or internal
organs and form a red or blue colored growth. A birthmark is a common
example of a hemangioma. These growths often disappear by themselves
but if they interfere with eating, hearing or vision, for example, they may
require treatment.
Lipomas - These growths arise from fat cells and are the most common
type of benign neoplasm found in adults, often occurring in the back, arms,
neck or shoulders. They usually grow slowly and are movable and soft to
the touch. These growths may be treated with steroid therapy or removed
with surgery

Pre Malignant :
Hyperplasia - This refers to an abnormal increase in the number of cells.
This is not usually precancerous, but some cases of hyperplasia are.
Atypia - Cells observed under the microscope look slightly atypical. This can
sometimes be caused by inflammation and healing and may go away once
inflammation stops or the body has healed.
Metaplasia - Cells observed under the microscope look normal, but are not
the cell type usually found in that bodily tissue or area. Metaplasia is not
usually precancerous, but some cases are.
Dysplasia - Cells have an abnormal appearance under the microscope and
are disorganized. Dysplasia refers to a precancerous condition in the
majority of cases and people with dysplasia are usually checked on a regular
basis so that treatment can be initiated if cell changes become severe.



Some of the main www of cancer are described below:
Carcinoma - This cancer begins in the skin or tissues that line internal
organs.
Leukemia - This form affects tissues that make blood, such as the bone
marrow. Large numbers of abnormal cells are produced in the bone marrow
which then enter the bloodstream.
Lymphoma - This refers to cancer that originates in the immune system.
Sarcoma - This develops in bone fat, muscle, blood vessels, cartilage, bone
or other types of connective tissue.
Cancer of the central nervous system - This form of cancer originates in the
tissues



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