先做指检和MRI看看？ 这个没创伤．
如果需要.问问医生是否可作TRUS, 如果在做TRUS 时末发现可疑点就不取样了（穿刺）
Doctors use this test to diagnose prostate cancer. They take samples of tissue from the prostate gland to look for cancer cells.
You might have an MRI scan before your transrectal ultrasound guided biopsy.
What it is
This is a type of needle biopsy to look for cancer cells in the prostate. Your doctor takes a series of small tissue samples from the prostate to examine under a microscope.
You usually have the biopsy through your back passage (rectum) using a transrectal ultrasound scanner.＂
