CTICasesRadiation-Induced Osteonecrosis of the Shoulder
Imaging findings
Chest radiographs and shoulder CT show severe, progressive destruction and osteonecrosis of the distal clavicle, humeral head, and scapula, developing 25 years after high-dose (60 Gy) radiation therapy for a shoulder liposarcoma.
Key takeaways
Radiation-induced osteonecrosis is a late complication of high-dose radiotherapy. It typically manifests decades after treatment as severe, progressive destruction, cortical thinning, and crumbling of all bones in the treatment pathway, mimicking neuropathic joint disease.
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