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.
The current guidelines of the American Cancer Society recommend that men over age 50 should be offered a prostate exam every year. The Story: A new European study has shown that a thorough screening for prostate cancer every 4 years is adequate. The screening comprises a PSA blood test, a digital rectal exam, and a transrectal ultrasound. Very few, if any, aggressive prostate cancers escape (this) screening..... Comment: It looks as if the American Cancer Society guidelines for prostate cancer screening may be changing.