Types of Cancer

Types of Cancer1. Melanomas

These are cancerous growths of melanocytes (skin cells).

2. Carcinomas

These cancers are located in the epithelial lining of inner organs or glands. For e.g., Breast cancer, Stomach cancer and so on., Cancers of epithelial glands are known as Adenoma. About eighty five% of all tumours are of this kind.

3. Leukaemia (Blood cancer)

These are characterized by improved WBC count of the blood (up to 2,00,000 - 1000,000/mm3) because of their increased creation in the bone marrow. This reduces the erythropoiesis and RBC count. These are most frequent types of cancer impacting the children below 15 yrs of age. Bone marrow transplantation is recommended.

4. Sarcomas

These cancers are located in connective and muscular tissues. These are derived from tissues of mesodermal origin, that is bone, fat and cartilage. If cancer impacts the Lymphatic system, it is known as Lymphomas. For e.g., Hodkin's illness in man is characterized by enlargement of the lymph nodes and spleen. Lipomas affect the adipose tissue and osteoma affects the bones.

5. Myeloma

These are malignant tumours taking place in middle aged and older people, that interfere with the blood, cell producing function of bone marrow and result in anaemia.

What Causes Cancer

Cancers are a diverse group of diseases and accordingly have an array of causes. Each cancer differs based on its pathophysiology and biology. All animals and even plants are susceptible to cancers.

Cancer at the molecular level

Our bodies is composed of trillions of living cells. These cells divide, grow and die in an orderly fashion. This procedure is tightly regulated and is controlled by the DNA machinery in the cell. In a child or a baby normal cells separate rapidly to permit for growth. After the person becomes an adult, many cells divide only to change worn out or dying cells or to fix injuries.

When cells of our bodies at a particular site begin to grow uncontrollable, they may become cancerous. Cancer cell progress is different from normal cell progress. Instead of dying, cancer cells carry on to grow and form new, abnormal cells. Additionally, these cells also can invade other tissues. This is a property that normal cells do not have.

Facts about Cancer

Cancer affects everybody, the Old and young, the poor and rich, women, men and children and symbolizes a tremendous burden on patients, families and societies. Cancer is one of the leading causes of death in the planet, particularly in developing nations.


In 2008, 7.6 million people passed away of cancer - thirteen% of all deaths worldwide.

You can find greater than 100 types of cancers; any part of the body can be impacted.

Globally, the 5 most common kinds of cancer that kill males are (in order of frequency): lung, stomach, liver, colorectal and oesophagus.

About seventy% of all cancer deaths happen in low- and middle-income countries.

Tobacco use is the single biggest preventable cause of cancer in the planet causing twenty two% of cancer deaths

Globally, the 5 most common kinds of cancer that kill females are (in the order of frequency): breast, lung, stomach, colorectal and cervical. In many developing nations, cervical cancer is one of the most common cancer.

Cancers of major public health relevance including breast, cervical and colorectal cancer can be cured if detected early and treated adequately. 

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