This procedure is performed to remove fluid from the abdominal cavity or a particular abdominal organ through a pin hole access. This procedure may be performed to identify the problem (diagnostic) in which case a small fluid sample is taken for testing. It may also be done to relieve the symptoms (therapeutic) in which case a small tube can be placed temporarily within the fluid collection to remove it completely.

The procedure is performed under aseptic conditions. During the procedure, local anaesthesia (pain killer) is injected into the skin at the access site to prevent discomfort. An injection of a mild sedative can also be given to ensure that you are comfortable and relaxed during the procedure. Through a pin hole access, using the help of imaging guidance (Ultrasound or CT) for accurate placement, a fine needle or plastic tube is placed is to draw out the fluid.