Abstract
Haemangiopericytoma is a rare, vascular softtissue tumour originating from the pericytes surrounding capillaries. We report a case of haemangiopericytoma in the sigmoid mesocolon and are aware of only one previously case. A 61-year-old man was referred with a left iliac fossa mass. At operation, a 10-cm diameter mass was found to be arising from the sigmoid mesentery (Fig. 1). The mass did not involve the bowel wall and there was no clinical evidence of metastatic disease. A sigmoid colectomy with primary anastomosis was performed. The patient made an uneventful recovery. Pathological assessment of the specimen revealed a 95x70x50 mm3, purple, lobulated mass within the sigmoid mesocolon adjacent to the bowel. Immunohistological analysis (positive CD34, focal factor VIII) was consistent with a diagnosis of a haemangiopericytoma. Complete excision with adequate margins remains the treatment of choice. We therefore suggest that patients be carefully followed for long periods and advised of the risk of long-term relapse.
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West, N.J., Daniels, I.R. & Allum, W.H. Haemangiopericytoma of the sigmoid mesentery. Tech Coloproctol 8, 179–181 (2004). https://doi.org/10.1007/s10151-004-0084-2
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DOI: https://doi.org/10.1007/s10151-004-0084-2