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Axial CT image, bone window. A patient treated 10 years earlier by external irradiation for a right-sided parotid malignancy, now presenting with oral pain and mucosal dehiscence. Extensive resorption of spongiosa in right mandibular body (compare to opposite side), and destruction of both lingual and buccal cortex, complicated by pathologic fracture (arrowheads). Intra-osseous air bubbles are seen. Histopathological study showed necrotic bone with signs of osteomyelitis.
