PMC9511402_01
Preoperative X-ray and MRI revealed a space-occupying lesion with abnormal signal of the sacrum at the S1 level. (A) X-ray of the lumbosacral spine; (B) sagittal MRI; (C) coronal MRI; (D) lateral MRI.
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Magnetic resonance imaging (MRI) revealed a space-occupying lesion with abnormal signal of the sacrum at the S1 level ( Figure 1 ).
Postoperative X-ray (A) and CT (B) images did not indicate any change of the operative region.
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Although X-ray and computed tomography (CT) images did not indicate any change of the operative region ( Figure 2 ), the thoracic CT and MRI of the brain demonstrated metastatic lesions of the rib, left lung lobe, scalp, skull, and meninges ( Figures 3 ,  4 ).
Thoracic CT demonstrated the metastatic lesions of the rib, left lung lobe. White arrows indicate the lesions.
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Although X-ray and computed tomography (CT) images did not indicate any change of the operative region ( Figure 2 ), the thoracic CT and MRI of the brain demonstrated metastatic lesions of the rib, left lung lobe, scalp, skull, and meninges ( Figures 3 ,  4 ).
MRI of the brain showed the metastases of the scalp, skull, and meninges.
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Although X-ray and computed tomography (CT) images did not indicate any change of the operative region ( Figure 2 ), the thoracic CT and MRI of the brain demonstrated metastatic lesions of the rib, left lung lobe, scalp, skull, and meninges ( Figures 3 ,  4 ).
Timeline of patients undergoing multidisciplinary management.
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The timeline is shown in  Figure 5 .