Fig. 8: c-FOS immunohistochemistry in histological mimics of proliferative fasciitis/myositis.
From: Recurrent FOS rearrangement in proliferative fasciitis/proliferative myositis
a, b An undifferentiated pleomorphic sarcoma with epithelioid features focally shows heterogeneous weak to strong c-FOS immunoreactivity. c, d An epithelioid sarcoma focally shows heterogeneous weak to moderate c-FOS immunoreactivity. e, f A case of nodular fasciitis containing a small number of spindled or small rounded cells that weakly to moderately expressed c-FOS.
