Prostate cancer is a malignant tumor that begins in the prostate gland of men. Over 95% of prostate cancers are adenocarcinomas, cancers that develop in glandular tissue. Another important type of prostate cancer is known as neuro-endocrine or small cell anaplastic cancer. This type tends to spread (metastasize) earlier, but does not produce prostate specific antigen (PSA), a tumor marker discussed below. Read More »
In 2003, 235,000 new cases of prostate cancer were diagnosed in the United States. What's more, 41,000 deaths related to prostate cancer are expected in the year 2004.
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The exact causes of prostate cancer are unknown. However, research aimed at understanding how cancer cells start to grow and spread may indicate some contributing factors. These factors include:
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In the early stages, prostate cancer often causes no symptoms for many years. As a matter of fact, these cancers frequently are first detected by an abnormality on a blood test (the PSA, discussed below) or as a hard nodule (lump) in the prostate gland. Usually, the doctor first feels the nodule during a routine digital (done with the finger) rectal examination. Read More »
Liver cancer or hepatic cancer is properly considered to be a cancer which starts in the liver, as opposed to a cancer which originates in another organ and migrates to the liver, known as a liver metastasis. For a thorough understanding of liver cancer it is important to have an understanding of how the liver functions. The liver is one of the largest organs in the body. Read More »
Liver cancer is the third most common cancer in the world. A deadly cancer, liver cancer will kill almost all patients who have it within a year. Read More »
Factors that increase the risk of primary liver cancer include: Gender, Age, Chronic infection with HBV or HCV, Cirrhosis ... Read More »