Quote:
Originally Posted by stevepaa
Need some further clarification. Do you mean to imply that biopsies have 50% false positives or 50% false negatives? Or is there a 50% chance the biopsy will miss the cancerous material? But if it hits it, there is 100% detection?
|
About half of patients with an elevated PSA have cancer. Among elevated PSA patients who undergo biopsy, about 25% of biopsies show cancer, but another 25% fail to detect the cancer. (Not exact numbers).