Pathology: desmoplastic fibroblastoma

Lobulated; hypocellular; evenly distributed "smudged" stellate-spindle cells

Eosinophilic cytoplasm with delicate tapering processes

Hyperchromatic ovoid nuclei with occasional binucleation and minimal atypia; inconspicuous mitotic activity 

Prominent collagenous stroma

Lobulated; hypocellular; evenly distributed "smudged" stellate-spindle cells

Eosinophilic cytoplasm with delicate tapering processes

Hyperchromatic ovoid nuclei with occasional binucleation and minimal atypia; inconspicuous mitotic activity 

Prominent collagenous stroma

Lobulated; hypocellular; evenly distributed "smudged" stellate-spindle cells

Eosinophilic cytoplasm with delicate tapering processes

Hyperchromatic ovoid nuclei with occasional binucleation and minimal atypia; inconspicuous mitotic activity 

Prominent collagenous stroma

Lobulated; hypocellular; evenly distributed "smudged" stellate-spindle cells

Eosinophilic cytoplasm with delicate tapering processes

Hyperchromatic ovoid nuclei with occasional binucleation and minimal atypia; inconspicuous mitotic activity 

Prominent dense collagenous-myxoid stroma

Lobulated; hypocellular; evenly distributed "smudged" stellate-spindle cells

Eosinophilic cytoplasm with delicate tapering processes

Hyperchromatic ovoid nuclei with occasional binucleation and minimal atypia; inconspicuous mitotic activity 

Prominent dense collagenous stroma

Lobulated; hypocellular; evenly distributed "smudged" stellate-spindle cells

Eosinophilic cytoplasm with delicate tapering processes

Hyperchromatic ovoid nuclei with occasional binucleation and minimal atypia; inconspicuous mitotic activity 

Prominent dense collagenous-myxoid stroma

Hypocellular; evenly distributed "smudged" stellate-spindle cells

Eosinophilic cytoplasm with delicate tapering processes

Hyperchromatic ovoid nuclei with occasional binucleation and minimal atypia; inconspicuous mitotic activity 

Prominent dense collagenous stroma; inconspicuous vasculature

Hypocellular; evenly distributed "smudged" stellate-spindle cells

Eosinophilic cytoplasm with delicate tapering processes

Hyperchromatic ovoid nuclei with occasional binucleation and minimal atypia; inconspicuous mitotic activity 

Prominent dense collagenous stroma with occasional "cracking" artifact; inconspicuous vasculature

Hypocellular; evenly distributed "smudged" stellate-spindle cells

Eosinophilic cytoplasm with delicate tapering processes

Hyperchromatic ovoid nuclei with occasional binucleation and minimal atypia; inconspicuous mitotic activity 

Prominent collagenous stroma