Cancer contains more than a hundred different diseases and it can develop in any part of the body. Cells are among the basic components in the body. Because the body requires them they grow and divide forming new cells. Cancer begins when the genetic changes interfere with the order of the cells so starts growing uncontrollably and they sometimes form a mass called Tumor. A cancerous tumor is dangerous because it can grow and spread in the other parts of the body while a begin tumor will not spread though it has the ability to grow. Not all of the cancers that will form a tumor some of them do include leukemia and myeloma.
Types of cancer
Cancer is divided into types according to where it started. There are four main types of cancer:
- Carcinomas. This type of cancer begins in the skin or tissues which covers the surface of the internal organs and the glands. It usually forms solid tumors. Research shows that it is the most common type of cancer that affects people. The main types of this cancer are: prostate cancer, breast cancer and lung cancer.
- Sarcomas. This type of cancer is different from the first one because it begins in the tissues that connect the body. Mostly it can develop in fat, muscles, nerves tendons and joins or borne.
- Lymphomas. It begins in the lymphatic system. The cancer hospital singapore says the lymphatic system is the network of vessels and glands that aids in fighting infections. There are two main types of lymphomas cancer: Hodgkin lymphomas and non-Hodgkin cancer.
- Leukemias. This is a blood cancer, it begins when healthy blood cells change and start growing uncontrollably. There four main types of leukemia cancer: acute lymphocytic leukemia, chronic lymphatic leukemia, acute myeloid leukemia and chronic myeloid leukemia.
How cancer spreads
When the cancerous tumor starts growing the bloodstream or the lymphatic system can transfer the cancer cells to the other parts of the body. The process is known as metastasis, during this process the cancer cells grow and sometimes it develops into a new tumor.
The lymph nodes are always the first places that cancer starts spreading. The lymph nodes are tiny bean-shaped organs that aids in fighting infections. They are always in clusters in different parts of the body such as the neck groin area and under the arms.
In addition, cancer may sometimes spread through the bloodstream to the different types of the body. Examples of these parts are bones, liver lungs or brains. The recent research from professional doctors shows that even if cancer will spread it is named depending on the area it started.
Cancer diagnosis starts when the patient decides to visit the doctor about an unusual symptom. The doctor will always discuss with the patient on the medical history and symptoms and then he will perform some tests to know the cause of these symptoms. Visiting a cancer hospital singapore will always help you in detecting the symptoms before they start spreading in the body.
In most cases, the doctor will diagnose cancer after performing the tests because many people with cancer have no symptoms. Examples of cancer screening are colonoscopy, mammography and Pap test. A biopsy is the only best way of making a correct diagnosis, it involves the removal of a Small number of tissues for further studies.