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.
Prostate Biopsy Overview. This prostate biopsy procedure is performed when a lesion is seen on ultrasound or an irregularity in the prostate is palpated with the examining finger. An anesthetic jelly is inserted into the rectum prior to the procedure. An antibiotic injection or oral antibiotics are given prior to the procedure to prevent infections.