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. 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. As the biopsy is done, there will be an aching feeling.