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Nodular fasciitis Malignant fibrous histiocytoma 1. Relatively symmetrical 1. Asymmetrical 2. Whorls and fascicles of mesenchymal cells 2. Fascicles of mesenchymal cells common, but no whorls of them 3. Nuclei of mesenchymal cells not crowded 3. Nuclei of mesenchymal cells crowded 4. Nuclei relatively monomorphic, i.e., mostly plump oval and spindle shaped 4. Nuclei pleomorphic; […]