Abstract
Hemangiopericytoma has been described in various sites in the body but only rarely in the mesocolon. This report describes the clinical course of an 83-year-old man whose mesosigmoidal tumor (hemangiopericytoma) was resected on 11 November 1994. Immunostaining was done with the following primary antibodies: α-actin, vimentin, factor VIII-related antigen, chromogranin, and S-100. Staining for factor VIII-related antigen was strongly positive in the endothelial cells of the capillaries, but negative in the tumor cells. The tumor cells contained immunoreactive vimentin, but demonstrated no α-actin, chromogranin, or S-100. Since the operation, the patient has been disease-free for 11 months.
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Nakagawa, T., Shinoda, Y., Masuko, Y. et al. Hemangiopericytoma of the Sigmoid Mesentery: Report of a case with immunohistochemical findings. Surg Today 27, 64–67 (1997). https://doi.org/10.1007/BF01366942
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DOI: https://doi.org/10.1007/BF01366942