PMC4976615_01
CT scan. A (pre-contrast) and B (post-contrast) shows lobulated paravertebral masses with mild enhancement, linear calcification foci (arrow) and areas of fat attenuation within (*). A small pleural effusion (#) can be seen in both sides.
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Chest CT scan showed bilateral paraspinal tumors (Fig. 1).
Chest MRI. A (T2 weighted image) and B (STIR) shows heterogeneous, but predominantly hypointense paraspinal tumors.
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T2 and T1-weighted sequences, without restriction of water on diffusion weighted imaging, and mild enhancement of the paramagnetic contrast medium (Fig. 2, Fig. 3). The diagnosis of extramedullary hematopoiesis was considered based on clinical and imaging findings.