下顎下縁に発生した周辺性骨腫の1例とその発生に関する考察

概要

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A case is presented of peripheral osteoma occurring at the inferior border of the mandible. Such cases are rarely presented in Japan. The procedure of the diagnosis and treatment is described. This male patient was aware of the bony lump at age 4 and first visited our Hospital with complaints at age 22. Its histopathologic diagnosis was an osteoma durum, although roentogenographs showed resemblances in appearance to osteoid osteoma of the similar region in already reported cases.<BR>From the points of anatomical oncogenic properties and literature considerations on osteoma, a possible pathogenic mechanism of the osteoma was discussed. It was suggested that a kind of muscular and/or periosteal participation might be a causative factor, though there was not yet obvious evidence in EMG tests of the neighboring masseter muscle.
社団法人日本口腔外科学会の論文