Percutaneous fine needle aspiration biopsy of intra-abdominal lesions with ultrasound guidance.

Fine needle aspiration biopsy is a safe technic which can be applied to almost any space-occupying lesion in the abdomen. In many instances it can be done on an ambulatory basis. Using ultrasonography as guidance the biopsy can be easily and accurately done. When the procedure is correctly performed, the accuracy is usually high.