Figure 4
From: Correcting B0 inhomogeneity-induced distortions in whole-body diffusion MRI of bone
Examples of bone metastases as seen on b = 0 s/mm2 DWI pre-and post-DisCo. The top row (A–D) shows a vertebral lesion in the Thorax Station. The bottom row (E–H) shows a lesion within the left femoral head in the Pelvis Station. (A,E) T2-weighted images at the corresponding level with an orange bounding box drawn around the lesion. (B,F) T2-weighted images zoomed in to visualize lesion and surrounding area. (C,G) Zoomed in DWI b = 2000 s/mm2 and b = 0 s/mm2 images before DisCo, respectively. (D,H) Zoomed in DWI b = 2000 s/mm2 and b = 0 s/mm2 images after DisCo, respectively. Outlines of the lesion annotations are overlaid in red. In both examples, the lesions were translated anteriorly following DisCo. Without DisCo, lesion localization may have erred posteriorly. DisCo distortion correction.
