You will then be asked to take several deep breaths to help verify the position of the needle. The locating needle depth is measure and then removed. The biopsy needle is inserted following the path of the locating needle. Again the position of the needle will be verified. The sample is taken and the needle is removed.
Pressure is applied to the biopsy site to stop the bleeding , and a bandage is applied.
You will remain in the hospital after the test and lie on your back for 12 to 24-hours. How to Prepare for the Test Inform the doctor of any drug allergies you may have, which medications you are taking, if you have bleeding problems, and if you are pregnant . You must sign a consent form. You may be restricted from food or fluid for 8 hours before the test. The physical and psychological preparation you can provide for this or any test or procedure depends on your child's age, interests, previous experience, and level of trust.