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.
A prostate biopsy is a simple procedure. In most cases, the whole process takes about 20-30 minutes. Usually, as you lie on an exam table, a doctor will insert a slender ultrasound device into your rectum. The device will emit sound waves to produce an image of your prostate.