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  • Title: Trans-sacral resection of a solitary fibrous tumor in the pelvis: report of a case.
    Author: Katsuno H, Maeda K, Hanai T, Sato H, Masumori K, Koide Y, Matsuoka H, Noro T, Takakuwa Y, Hanaoka R.
    Journal: Surg Today; 2011 Nov; 41(11):1548-51. PubMed ID: 21969160.
    Abstract:
    Solitary fibrous tumors (SFTs) develop most commonly in the pleura, although they have occasionally been reported to arise in the pelvic cavity. We report a case of an SFT presenting as a painless nodule in the pelvis of a 56-year-old woman. Histologically, the tumor was composed of spindle-shaped cells arranged without pattern, with short and narrow fascicles and interspersed bundles of thick collagen, and numerous blood vessels with a focally hemangiopericytoma-like appearance. Immunohistochemically, the tumor cells strongly expressed vimentin, CD34, and bcl-2. The tumor was excised via a trans-sacral approach, without preoperative transcatheter embolization, and the patient remains well more than 2 years after her operation. To our knowledge, this is the first case of an SFT in the pelvis, which was excised completely via a trans-sacral approach.
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