A Case of Temporal Bone Osteosarcoma

概要

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Osteosarcoma of a cranial bone is rather rare in occurance ; it is said the proportion is 1% among all the cases of osteosarcomas.A case of a boy aged 11 years, who was affected with a temporal bone osteosarcoma, was reported. His chief complaints were aural discharge, hearing impairment and pain of the left ear. Radiographic findings and his clinical apearance, such as swelling in the postauricular area, facial paralysis and general malacia suggested the malignant tumor, but several histological examinations revealed no malignancy. The post mortem examination showed this case was the osteoplastic osteosarcoma of the left mastoid, invading the left temporal bone and muscle.
耳鼻咽喉科臨床学会の論文