Mesenchymal chondrosarcoma

Transverse axial (A) and coronal (B) CT shows chondroid tumor matrix (circles). Transverse axial T2- (C), T1- (B), and postcontrast T1-weighted (D) MRI shows the chondrosarcoma (arrowheads) involving the C7 vertebral body (arrows), extending into the extradural space (thick arrows) and compressing the cervical cord.