Sclerotic fibroma.
Sclerotic fibroma is an uncommon fibrotic neoplasm that occurs both sporadically as well as in patients affected by Cowden's disease. We present an additional case of solitary sclerotic fibroma not associated with Cowden's disease. Although most of the lesion was sclerotic, there was a cellular area with some multinuclear cells. We conclude that sclerotic fibroma is a mesenchymal neoplasm whose clinical and histopathologic features are not only different but opposite to those of dermatofibroma.
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