Pathology: soft tissue chondroma

Circumscribed

Polygonal-stellate cells with pale amphophilic cytoplasm, set within lacunae

Small round-ovoid nuclei with irregular contours, hyperchromasia and occasional binucleation

Abundant hyaline matrix; metaplastic bone

Circumscribed

Polygonal-spindle cells with pale eosinophilic cytoplasm; frequently set within lacunae

Small round-ovoid nuclei with irregular contours, hyperchromasia and occasional binucleation

Abundant hyaline matrix

Circumscribed

Polygonal cells with pale eosinophilic cytoplasm, set within lacunae

Small round-ovoid nuclei with irregular contours, hyperchromasia and occasional binucleation

Abundant hyaline matrix