Presentation
Prior radiotherapy for floor of mouth SCC.
Patient Data
Age: 91
Gender: Female
From the case:
Osteoradionecrosis of the mandible
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The left hemimandible shows a mixed lytic destructive process involving the bone associated with a fracture in this region.
These appearances are consistent with osteonecrosis secondary to prior radiotherapy on this region in a patient with a previous SCC of the floor of mouth
Case Discussion
Osteoradionecrosis of the mandible is seen in patients with previous radiotherapy for head and neck cancers. The changes maybe complicated by infection or a pathological fracture.
Bisphosphonate therapy is also associated with mandibular osteonecrosis. Mandibular osteomyelitis can give a similar radiological appearance.
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