上顎歯肉部に発生した疵贅性黄色腫の1例 : 免疫組織学的, 電顕的観察

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Verruciform xanthoma arising from the gingival mucosa of the upper left first premolar to first molar area of a 59-year-old female is presented. It is a rare lesion of the oral cavity which has a warty or papillary appearance. It was first described by Shafer in 1971 with histopathological characteristics of verruciform growth and proliferation of xanthoma cells in the lamina propia.<BR>In Japan Kikuchi et al. reported the first case in 1977. Since then almost 40 cases have so far been published.<BR>This article described a case of Verruciform xanthoma together with its light, immunochemical and and electron microscopic fingings. Judging from the immunochemical finding, foamy cells were negative for S-100 protein and positive for lysozyme and NCA (non-specific cross reacting antigen with carcinoembryonic antigen), all of which were suggested that they were derived from monocyte-macrophage cell lines.