PMC6670215_01
Right hip arthrography reveals femoral head osteonecrosis without subchondral collapse
40337_2019_257_Fig1_HTML.jpg
PMC6670215_01_40337_2019_257_Fig1_HTML.jpg
Fig1
An x-ray of his hips with arthroscopy confirmed bilateral femoral head osteonecrosis with increased degeneration on the right side (Fig. 1).