Fig. 21
From: Understanding a mass in the paraspinal region: an anatomical approach
Undifferentiated sarcoma of left thoracic paraspinal soft tissues in a 42-year-old female with severe non-mechanical thoracic pain and palpable hard mass. Axial fat-suppressed T1WI (a) and gadolinium-enhanced T1WI (b) show a necrotic mass in bilateral hypaxial muscles. Sagittal STIR WI (c, d) shows paraspinal extension along five segmental levels. Sagittal T2WI shows bone inflammation of the spinous process (black arrowhead). Axial fat-suppressed T1WI and axial CT scan (e) demonstrate tumour’s spread towards the opposite side (white arrowhead), pleural extension (white arrows) and pulmonary extension (star). The yellow star shows the epicentre of the mass