Lobulated; hypocellular; spindle-stellate cells with loose fascicular pattern
Pale amphophilic cytoplasm
Ovoid nuclei with minimal atypia; inconspicuous mitotic activity
Clusters of epithelioid cells with abundant amphophilic cytoplasm; eccentric nuclei with occasional bi-nucleation
Myxoid stroma; prominent thin-walled vessels
IHC: smooth muscle actin
Lobulated; hypocellular; spindle-stellate cells with loose storiform-fascicular pattern
Pale amphophilic cytoplasm
Ovoid nuclei with minimal atypia; inconspicuous mitotic activity
Clusters of epithelioid cells with abundant amphophilic cytoplasm; eccentric nuclei with occasional bi-nucleation
Collagenous stroma with myxoid degeneration
Lobulated; hypocellular; spindle-stellate cells with loose storiform-fascicular pattern
Ovoid nuclei with minimal atypia; inconspicuous mitotic activity
Clusters of epithelioid cells with abundant amphophilic cytoplasm; eccentric nuclei with occasional bi-nucleation
Collagenous stroma with myxoid degeneration; rare multinucleated giant cells