Fig. 34From: Understanding a mass in the paraspinal region: an anatomical approachAdiponecrosis in a 43-year-old male with low back pain 2Â months after a fall. US (a) demonstrating a hyperechoic, superficial mass and power Doppler signal showing hypervascularity. Axial T2WI (b) and sagittal T1WI (c) showing a superficial mass (arrows) with heterogeneous iso- to hyperintense signal. Sagittal contrast-enhanced fat-suppressed T1WI (d) showing a heterogeneous enhancementBack to article page