Cancer Information 2.0

Cancer Overview

Cancer Overview
By Dhanya V.V

1)What is cancer?

Cancer is an abnormal growth of cells. Cancer cells rapidly reproduce despite restriction of space, nutrients shared by other cells, or signals sent from the body to stop reproduction. Cancer cells are often shaped differently from healthy cells, they do not function properly, and they can spread to many areas of the body. Tumors, abnormal growth of tissue, are clusters of cells that are capable of growing and dividing uncontrollably their growth is not regulated.Oncology is the branch of medicine concerned with the diagnosis and treatment of cancer.
2)What do the terms benign and malignant mean?

Tumors can be benign (noncancerous) or malignant (cancerous). Benign tumors tend to grow slowly and do not spread. Malignant tumors can grow rapidly, invade and destroy nearby normal tissues, and spread throughout the body.

3)What do the terms “locally invasive” and “metastatic” mean?

Cancer is malignant because it can be “locally invasive” and “metastatic”:

locally invasive - the tumor can invade the tissues surrounding it by sending out “fingers” of cancerous cells into the normal tissue.
metastatic - the tumor can send cells into other tissues in the body, which may be distant from the original tumor.

4)What are primary tumors?

The original tumor is called the “primary tumor.” Its cells, which travel through the body, can begin the formation of new tumors in other organs. These new tumors are referred to as “secondary tumors.” The cancerous cells travel through the blood (circulatory system) or lymphatic system to form secondary tumors. The lymphatic system is a series of small vessels that collect waste from cells, carrying it into larger vessels, and finally into lymph nodes.

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5)How is each cancer type named?

Cancer is named after the part of the body where it originated. When cancer spreads, it keeps this same name. For example, if kidney cancer spreads to the lungs, it is still kidney cancer, not lung cancer. (The lung cancer would be an example of a secondary tumor.) Staging is the process of determining whether cancer has spread and, if so, how far. There is more than one system used for staging cancer, and the definition of each stage will depend on the type of cancer.
6)What are the different types of cancer?

Cancer is not just one disease but rather a group of diseases, all of which cause cells in the body to change and grow out of control. Cancers are classified as
1)carcinoma
2)sarcoma
3)lymphoma
4)leukemia
5)myeloma
7)What causes cancer?

There is no one single cause for cancer. Scientists believe that it is the interaction of many factors together that produces cancer. The factors involved may be genetic, environmental, or constitutional characteristics of the individual.

Article Source: http://EzineArticles.com/?expert=Dhanya_V.V
http://EzineArticles.com/?Cancer-Overview&id=671132

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What Symptoms Should You Watch Out for in Detecting Prostate Cancer?

What Symptoms Should You Watch Out for in Detecting Prostate Cancer?
By Joseph Ducat

How do you know if you are at risk for prostate cancer? Is there a way for you to diagnose it yourself, by noting if prostate cancer symptoms appear? The truth is, prostate cancer is a disease that is still little understood, and nobody really knows what causes it. It is also a disease that rarely presents symptoms, and what symptoms it may cause tend to be indications of other conditions as well–there is no single specific indication of the early stages of prostate cancer.

Prostate cancer usually affects men who are in their fifties or older. It is a type of cancer that only affects men, as the prostrate gland is present only in the male reproductive tract. In the United States it is one of the leading cause of death from cancer in men, second only to skin cancer. Prostate cancer often goes undiagnosed when it is in the early stages of the disease, because it does not present symptoms in most men that contract it. Many men afflicted by it end up not getting therapeutic care and eventually die of prostate cancer, due to the difficulty of detecting it.

There are a number of symptoms that may indicate prostate cancer in its early stages: the need to urinate frequently, especially at night having difficulty starting urination or maintaining a steady flow of urine feeling a burning sensation or pain when urinating experiencing pain when ejaculating having difficulty in getting an erection discovering blood in the urine or semen. However, having one or more of these symptoms does not provide conclusive evidence that one has early-stage prostate cancer. These symptoms can also be caused by several other diseases or conditions. If you have one or more of these symptoms, seek out medical consultation to find out what exactly is the cause of them.

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The most common symptom of advanced prostate cancer is experiencing pain in one s bones, particularly the bones of the spine, pelvis, and ribs. Prostate cancer that has spread to the spinal column may bring about the constriction of the spinal cord, causing further symptoms, like incontinence or weakness in the legs.

Learn about various ways of preventing prostate cancer. Check out my tips and articles at http://prostatehealthcare.info

Article Source: http://EzineArticles.com/?expert=Joseph_Ducat
http://EzineArticles.com/?What-Symptoms-Should-You-Watch-Out-for-in-Detecting-Prostate-Cancer?&id=440916

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