With a gloved index finger inserted into the rectum with a Silverman biopsy needle applied close to the finger with the tip of the needle in line with the tip of the finger and the bevel edge facing away from the finger. The needle is then rotated half a turn so that the beveled edge is against the finger. This avoided an inadvertent needlestick injury. The abnormal area was palpated and the needle directed through the rectal mucosa and towards the area, but not into it. The obturator was then removed and a bivalved biopsy obturator was inserted through the needle and into the prostate. The.