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1] It is currently classified with fibrohistiocytic tumors of uncertain biologic potential, although metastatic disease has never been reported.
The histogenetic derivation of GCF has been an issue of some controversy, and it is currently placed in the category of fibrohistiocytic tumors of uncertain potential.
Fibrohistiocytic tumors Fibrous Bland spindle cells intermixed with histiocytomas[21] secondary elements (xanthoma cells, histiocytes, inflammatory cells, hemosiderin-laden macrophages) Juvenile Admixture of histiocytes, fibroblasts, xanthogranulomas[22] "touton"-type giant cells, and inflammatory cells.