Tipos de cancer

Types of Cancer
What are the Different Types of Cancer?
Cancer is a broad term used to encompass several malignant diseases. There are over 100 different types of cancer, affecting various parts of the body. Each type of cancer is unique with its own causes, symptoms, and methods of treatment. Like with all groups of disease, some types of cancer are more common than others. A-Z Index of Typesof Cancer
Common Types of Cancer
Skin cancer is the most commonly diagnosed cancer among men and women. Over one million cases are diagnosed each year, with more young people having skin cancer than ever before. The most common types of cancer in the United States based on frequency of diagnosis are:
Bladder Cancer
Bladder cancer is a disease that affects the bladder, an elastic organ thatis responsible for storing urine that is released by the kidneys. It is the fifth most common type of cancer in the U.S. and when diagnosed in the early stages, it is highly treatable.

There are several types of bladder cancer, some being more common then others. The most common type of bladder cancer is urothelial carcinoma, accounting for about 90% of bladder cancer cases. The remaining typesof bladder cancer are considered rare. They include squamous cell carcinoma, adenocarcinoma, small cell carcinoma, leiomyosarcoma, lymphoma, and, melanoma.
* being Caucasian
* being male
* increasing age
* personal or family history of bladder cancer
* bladder birth defects
* chronic bladder inflammation (cystitis)
* not consuming enough liquids

Breast CancerBreast cancer is a type of cancer that occurs when a malignant tumor forms from cells within the breast. It occurs most frequently in women, however, men can develop breast cancer, although much less frequently. The American Cancer Society estimates that 1 in every 8 women will develop breast cancer in their lifetime, making it the most common cancer among women, aside from skin cancer.Colon Cancer
Colon cancer is a type of cancer that develops in the large intestine. Our colons are about 6 feet long and allow waste to travel from the small intestine to the rectum. Like other organs in our body, the colon is vulnerable to many diseases and conditions, like cancer.
Leukemia
Leukemia is a disease that affects blood-forming cells in the body. It is a cancerous condition characterized by anabundance of abnormal white blood cells in the body. Leukemia begins in the bone marrow and spreads to other parts of the body. Both children and adults can develop leukemia.
Causes and Risk Factors of Leukemia

Researchers have identified several causes and risk factors for leukemia. It happens in:
* people older than the age of 60, but it can occur in younger people
* people who smoke* people who have undergone previous chemotherapy or radiation therapy
* people infected with the human T-cell leukemia virus, a virus that infects T-cells that is spread by sharing syringes and used to inject drugs; through blood transfusions; through sexual contact; and from mother to child at birth or through breastfeeding
* people with myelodysplasctic syndrome, a blood disorder* people with Down síndrome

Thyroid cancer
Definition
Thyroid cancer is a cancerous growth of the thyroid gland.
Alternative Names
Tumor - thyroid; Cancer - thyroid
Causes
Thyroid cancer can occur in all age groups.
People who have had radiation therapy to the neck are at higher risk. Radiation therapy was commonly used in the 1950s to treat enlarged thymus glands, adenoids andtonsils, and skin disorders. People who received radiation therapy as children are at increased risk for developing thyroid cancer.
Other risk factors are a family history of thyroid cancer and chronic goiter.
There are several types of thyroid cancer:
* Anaplastic carcinoma (also called giant and spindle cell cancer) is the most dangerous form of thyroid cancer. It is rare, and does not...