Fig. 1

a–e A 42-year-old male patient with L3-4 pyogenic spondylodiscitis. Sagittal T1 (a) shows L3-4 opposing end plates bone marrow edema. Sagittal T1 post-contrast (b) and axial T1 post-contrast (c) show L3-4 bone marrow, opposing end plates enhancement with prevertebral and right paravertebral enhanced soft tissue component. Sagittal DWI (d), ADC (e). DWI demonstrates diffusion restriction with bright signal intensity, while ADC shows bright signal with mean value about 1.4–1.5 × 10–3 mm2/s