Pathology: Gardner fibroma

Gardner fibroma

  • Ill-defined; hypocellular; spindle cells with a haphazard distribution

  • Scant eosinophilic cytoplasm with long tapering processes

  • Monomorphic ovoid nuclei; inconspicuous mitotic activity

  • Interdigitation around collagen bundles and lobules of mature adipose tissue; prominent artifactual clefting