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CT aspect of osteoradionecrosis 5 years after radiotherapy of a floor of the mouth SCC. a OPT. b Axial bone window CT image. c Three-dimensional reconstruction, posterior view obtained after removing the bony structures of the cervical spine. Characteristic osteolytic bone defect (arrows) with poorly defined partly sclerotic margins and soft tissue ulceration (dashed arrow). Follow-up confirmed absence of tumour
