下顎骨に発生した硬化性血管腫の1例および文献的考察

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Sclerosing hemangioma was formerly considered as hemangioma with fibrous vegetation. But recently this lesion has been believed to belong to subepidermal nodular fibromatosis which is a subtype of fibrous histiocytoma. The histological characteristics of are that many spindle cells and fine fibers present a specific storiform pattern with the arrangements around capillary nets.<BR>The lesions have been rarely reported in maxillofacial region. We recently encontered a mandibular bone case histopathologically diagnosed as sclerosing hemangioma. The patient was a 47-year-old Japanese male who was initially examined in our hospital May 14, 1985 with a chief complaint of painless swelling in the left side of buccal mucosa region, and pre-and infraauricular region. In extraoral findings about 6×6cm of apparently circumscribed swelling was found in the left side of pre-and infraauricular region, which was painless and elastic hard in consistency. There were not reddish spots and no sensation abnormalities such as hypesthesia on the surface of the mass.<BR>In intraoral findings about 3×3.5cm of diffuse swelling from the left side of buccal mucosa region to the glosso-palatine arch, which was elastic soft in consistency and indolent, was revealed.<BR>Some radiographs showed an apparently well-defined radiolucency in most of the left mandibular ascending ramus. The tumor was extirpated in a mass intraorally under general anesthesia. Histopathological examination with hematoxylin-eosin stain, PAS stain, silver stain and Masson stain and immunohistological examination were carried out. Consequently this lesion was diagnosed as sclerosing hemangioma. Further review of the literature on this lesion was done.
社団法人日本口腔外科学会の論文

下顎骨に発生した硬化性血管腫の1例および文献的考察

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