Melanoma: The most dangerous form of skin cancer, a malignancy of the melanocyte, the cell that produces pigment in the skin.
Statistically, the probability of having a prostate cancer present with a PSA of between 4 and 10 is around 22 per cent. Once the PSA level rises above 10, the probability goes up to the order of 64 per cent.
1 A lymph node biopsy is performed by fine needle aspiration. 2  This biopsy uses a very thin needle to remove very small pieces of a lymph node. 3  A CT scan is used to guide the needle into the lymph node. 4  With a local anesthetic, this test causes little discomfort and doesn't leave a scar.rostate Biopsy. A biopsy is the only way to know if you have prostate cancer. A prostate biopsy removes small samples of prostate tissue from the body. The samples are then assessed for the presence of cancer cells. To prepare for the biopsy, you may need to stop taking some medications and start taking others.