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Orbital giant cell angiofibroma recurring as a solitary fibrous tumor.

Giant cell angiofibroma has recently been hypothesized to be a clinicopathologic variant of solitary fibrous tumor. The authors report a case of an orbital giant cell angiofibroma that recurred as a solitary fibrous tumor 4 years later. The report strongly supports the hypothesis that giant cell angiofibroma and solitary fibrous tumor are related.