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  • Title: Epithelioid solitary fibrous tumor of the central nervous system.
    Author: Fu J, Zhang R, Zhang H, Bu H, Chen H, Yin X, Zhang Z, Wei B.
    Journal: Clin Neurol Neurosurg; 2012 Jan; 114(1):72-6. PubMed ID: 21908099.
    Abstract:
    Epithelioid solitary fibrous tumor (SFT) has recently been reported and is an extremely rare soft-tissue neoplasm. Herein we present an epithelioid SFT attached to the falx cerebri occurring in a Chinese woman. This patient underwent gross-total tumor resection at the age of 30 years and recurred 68 months following the initial total resection. Histologically, the initial lesion exhibited features of classic spindle cell SFT. In contrast, the recurrent tumor demonstrated exclusively epithelioid morphology with significant atypia. Both the original and recurrent lesions showed positivity for vimentin, CD34, Bcl-2, and CD99, whereas were negative for all the remaining antibodies. The epithelioid feature in SFT seems to be associated with a more aggressive clinical behavior in this case and more cases are awaited to verify this possibility. To the best of authors' knowledge, the present case is the first published example of SFT with epithelioid feature in the central nervous system.
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