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Table 81: Immunohistchemistry Results

Table 81a: Immunoperoxidase reactivity of various spindle cell malignancies of the oral and pharyngeal region.

Diagnosis

Fibrosarcoma + - - - +/- - -

Malignant fibrous histiocytoma

Leiomyosarcoma ++ + + + - +/- ++ +/- +/-

Synovial sarcoma + +

Spindle cell carcinoma - - - - + +

Desmoplastic melanoma +

Malignant schwannoma +/- - +/- -/+ - -/+ -/+

Spindle cell carcinoma