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Nodular fasciitis clinically presenting as a sarcoma

Fig. 1. Nodular fasciitis on FNA and histology. A: Hypercellular sample of spindled fibroblasts with bland single intact cells in a background of myxoid stroma, with scattered inflammatory cells (Diff-Quik, 4003). B: Plump fibroblasts with prominent nucleoli and scattered lymphocytes (Papanicolaou, 6003). C: Single, ganglion-like fibroblasts with abundant cytoplasm and plump nuclei with background myxoid stroma (Diff-Quik, 4003). D: Typical storiform and short fascicles of myofibroblasts separated by myxoid microcysts. Note the lymphocytes and extravasated erythrocytes (Hematoxylin and eosin, 1003).