Spindle-stellate cells with vague fascicular pattern
Scant eosinophilic cytoplasm with delicate bipolar processes
Monomorphic ovoid nuclei with minimal pleomorphism; inconspicuous mitotic activity
Collagenous-myxoid stroma
IHC: CD34
Lobulated; spindle-stellate cells with vague fascicular pattern
Scant eosinophilic cytoplasm with delicate bipolar processes
Monomorphic ovoid nuclei with minimal pleomorphism; inconspicuous mitotic activity
Collagenous-myxoid stroma
IHC: CD34, RB1
Lobulated; spindle-stellate cells with vague fascicular pattern
Scant eosinophilic cytoplasm with delicate bipolar processes
Monomorphic ovoid nuclei with minimal pleomorphism; inconspicuous mitotic activity
Collagenous-myxoid stroma
IHC: CD34
Lobulated; spindle-stellate cells with vague fascicular pattern
Scant eosinophilic cytoplasm with delicate bipolar processes
Monomorphic ovoid nuclei with minimal pleomorphism; inconspicuous mitotic activity
Collagenous-myxoid stroma
IHC: CD34
Focally infiltrative; spindle-stellate cells with vague fascicular pattern
Scant eosinophilic cytoplasm with delicate bipolar processes
Elongated ovoid nuclei with minimal pleomorphism; inconspicuous mitotic activity
Fibromyxoid stroma
IHC: CD34
Lobulated; spindle-stellate cells with vague fascicular pattern
Scant eosinophilic cytoplasm with delicate bipolar processes
Monomorphic ovoid nuclei; inconspicuous mitotic activity
Myxoid stroma and prominent delicate collagen fibres; occasional mast cells
IHC: CD34
Multilobulated; spindle-stellate cells with vague fascicular pattern
Scant eosinophilic cytoplasm with delicate bipolar processes
Monomorphic ovoid nuclei; inconspicuous mitotic activity
Myxoid stroma and prominent delicate collagen fibres; occasional mast cells
IHC: CD34
Lobulated; spindle-stellate cells with vague fascicular pattern
Scant eosinophilic cytoplasm with delicate bipolar processes
Monomorphic ovoid nuclei; inconspicuous mitotic activity
Myxoid stroma and prominent delicate collagen fibres