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Fig. 2. —67-year-old woman with hepatocellular carcinoma. CT fluoroscopy image obtained with three repositionings shows near homogeneous distribution (>75%) of acetic acid in lesion. At first needle positioning, tip of needle was pushed outside deeper border of lesion, and peritumoral leak (arrow) was observed. Needle was pulled back, but leak persisted. No further leak was observed after needle was repositioned.