Musculoskeletal #19

54-year-old man with dorsolumbar irradiated left leg pain and paresthesias

What are the imaging findings?

CT: Slightly insufflating lytic lesion in the left pedicle, with thickened vertical trabeculae (“polka dot sign”) 
MRI: The lesions show high signal on T2 and STIR sequences, with small foci of T1 hyperintensity within the lesions suggesting fatty component. Soft tissue component with the same characteristics and avidly enhancing. Note the spinal canal secondary stenosis, cord displacement and compression

What is the most likely diagnosis

Aggressive vertebral hemangioma with soft tissue component

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