Abstract
A rare case of angiosarcoma in the oral cavity was investigated by light and electron microscopy. Immunohistochemical findings and the recognition of Weibel-Palade bodies supported the opinion that this tumor was a malignant hemanigoendothelioma. However, electron microscopic observation revealed various tumor cells resembling endothelial cells, pericytes, and undifferentiated mesenchymal cells, suggesting that the origin of this tumor might be undifferentiated mesenchymal cells.
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Tanaka, N., Kimijima, Y., Mimura, M. et al. Ultrastructure of angiosarcoma in the oral cavity. Med Electron Microsc 30, 97–101 (1997). https://doi.org/10.1007/BF01545089
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DOI: https://doi.org/10.1007/BF01545089