[Thin-needle aspiration biopsy under ultrasonic control. The examination technic].

Based on experience with 298 aspiration biopsies (156 from the liver, 100 from the pancreas, 42 from other organs) made under ultrasonic control, the authors present a detailed description of the examination technique. At the same time they publish their own results with a mean sensitivity of 88%, specificity of 100% and diagnostic yield of 92%.