Ultrasonography, Interventional

**Definition:** The use of ultrasound to guide minimally invasive surgical procedures such as needle ASPIRATION BIOPSY; DRAINAGE; etc. Its widest application is intravascular ultrasound imaging but it is useful also in urology and intra-abdominal conditions.

**Tree numbers:** - E01.370.350.850.855 - E04.502.890

**Synonyms:** - Interventional Ultrasonography - Ultrasound, Interventional