Fig. 4a–cFrom: Ultrasound features of deep-seated lipomasGrey-scale ultrasound images showing three different types of the fine, internal, echo pattern parallel to the long axis of lesion, as shown in the companion line diagrams. a Long continuous internal echos; traversing the entire length of the lipoma without disruption. b Medium-sized, discontinuous. Note the broken appearance of the internal echoes. c Whorled or onion peel. These are continuous but are circular and arranged in layers.Back to article page