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.
During a prostate biopsy test, a doctor inserts a thin needle into the rectum, between the scrotum and anus, or through the urethra and extracts prostate tissue for microscopic testing, says WebMD. Either local or general anesthesia may be used for this procedure. Continue Reading.