Fig. 5
A 27-year-old man with bone metastasis of gastric cancer. a-c Preoperative CT images show multiple sites of bone destruction in the pelvis, especially the acetabulum (yellow arrow). d Preoperative 18F-FDG PET/CT imaging shows uptake in the bone lesion in the acetabulum (yellow arrow). e The preoperative axial STIR sequence shows multiple heterogeneous high signal intensities with soft tissue masses (yellow arrow). f-h Intraoperative MWA and BC filling (yellow arrow). i-j At the 3-month follow-up visit, there was solid fusion of the BC without infiltration of the articular cavity (yellow arrow). k The histopathological biopsy results (hematoxylin and eosin, original magnification 100×) confirmed that the lesion was a bone metastasis from gastric cancer